Home / 141,592.89-195,402.06-77,934.60

Finding the Fourth Proportional to 141,592.89, 195,402.06 and 77,934.60

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Solution

The fourth proportional to 141,592.89, 195,402.06 and 77,934.60 is: 107,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,592.89 : 195,402.06 = 77,934.60 : x
  2. Step 2: Convert to fraction form
    141,592.89/195,402.06 = 77,934.60/x
  3. Step 3: Cross multiply
    141,592.89x = 195,402.06 × 77,934.60
  4. Step 4: Simplify right side
    141,592.89x = 15,228,581,385.28
  5. Step 5: Solve for x
    x = 15,228,581,385.28/141,592.89
  6. Step 6: Final answer
    x = 107,551.88

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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.