Finding the Fourth Proportional to 147,705.96, 203,857.62 and 93,934.92
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Solution
The fourth proportional to 147,705.96, 203,857.62 and 93,934.92 is: 129,645.07
Step by Step Solution
- Step 1: Write the proportion equation
147,705.96 : 203,857.62 = 93,934.92 : x - Step 2: Convert to fraction form
147,705.96/203,857.62 = 93,934.92/x - Step 3: Cross multiply
147,705.96x = 203,857.62 × 93,934.92 - Step 4: Simplify right side
147,705.96x = 19,149,349,226.09 - Step 5: Solve for x
x = 19,149,349,226.09/147,705.96 - Step 6: Final answer
x = 129,645.07
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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.