The Washington Monument Shown Below Casts a Shadow Of $166 \frac { 1 } { 2 }$

Short Answer

The Washington Monument shown below casts a shadow of $166 \frac { 1 } { 2 }$ feet at the same time as a 6-foot-tall tourist casts a shadow of $1 \frac { 1 } { 2 }$ feet. Find the height of the monument. __________ ft