Finding the Fourth Proportional to 167,957.49, 231,781.34 and 92,505.99
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Solution
The fourth proportional to 167,957.49, 231,781.34 and 92,505.99 is: 127,658.27
Step by Step Solution
- Step 1: Write the proportion equation
167,957.49 : 231,781.34 = 92,505.99 : x - Step 2: Convert to fraction form
167,957.49/231,781.34 = 92,505.99/x - Step 3: Cross multiply
167,957.49x = 231,781.34 × 92,505.99 - Step 4: Simplify right side
167,957.49x = 21,441,161,857.70 - Step 5: Solve for x
x = 21,441,161,857.70/167,957.49 - Step 6: Final answer
x = 127,658.27
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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.