Home / 141,659.18-195,489.71-77,996.97

Finding the Fourth Proportional to 141,659.18, 195,489.71 and 77,996.97

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Solution

The fourth proportional to 141,659.18, 195,489.71 and 77,996.97 is: 107,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,659.18 : 195,489.71 = 77,996.97 : x
  2. Step 2: Convert to fraction form
    141,659.18/195,489.71 = 77,996.97/x
  3. Step 3: Cross multiply
    141,659.18x = 195,489.71 × 77,996.97
  4. Step 4: Simplify right side
    141,659.18x = 15,247,605,046.18
  5. Step 5: Solve for x
    x = 15,247,605,046.18/141,659.18
  6. Step 6: Final answer
    x = 107,635.84

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1.5x scale

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.