In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [99.855, -67.636, 238.538, 166.945, 26.605]
A: 
[ 0.215 -0.146  0.514  0.36   0.057]