Finding the Fourth Proportional to 166,304.97, 229,231.24 and 129,942.84
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Solution
The fourth proportional to 166,304.97, 229,231.24 and 129,942.84 is: 179,110.44
Step by Step Solution
- Step 1: Write the proportion equation
166,304.97 : 229,231.24 = 129,942.84 : x - Step 2: Convert to fraction form
166,304.97/229,231.24 = 129,942.84/x - Step 3: Cross multiply
166,304.97x = 229,231.24 × 129,942.84 - Step 4: Simplify right side
166,304.97x = 29,786,957,645.13 - Step 5: Solve for x
x = 29,786,957,645.13/166,304.97 - Step 6: Final answer
x = 179,110.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.