Home / 141,203.75-194,861.18-77,542.61

Finding the Fourth Proportional to 141,203.75, 194,861.18 and 77,542.61

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Solution

The fourth proportional to 141,203.75, 194,861.18 and 77,542.61 is: 107,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203.75 : 194,861.18 = 77,542.61 : x
  2. Step 2: Convert to fraction form
    141,203.75/194,861.18 = 77,542.61/x
  3. Step 3: Cross multiply
    141,203.75x = 194,861.18 × 77,542.61
  4. Step 4: Simplify right side
    141,203.75x = 15,110,044,097.17
  5. Step 5: Solve for x
    x = 15,110,044,097.17/141,203.75
  6. Step 6: Final answer
    x = 107,008.80

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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.