Finding the Fourth Proportional to 176,731.36, 243,881.96 and 96,159.19
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Solution
The fourth proportional to 176,731.36, 243,881.96 and 96,159.19 is: 132,695.70
Step by Step Solution
- Step 1: Write the proportion equation
176,731.36 : 243,881.96 = 96,159.19 : x - Step 2: Convert to fraction form
176,731.36/243,881.96 = 96,159.19/x - Step 3: Cross multiply
176,731.36x = 243,881.96 × 96,159.19 - Step 4: Simplify right side
176,731.36x = 23,451,491,729.21 - Step 5: Solve for x
x = 23,451,491,729.21/176,731.36 - Step 6: Final answer
x = 132,695.70
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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.