Home / 141,200.28-194,856.60-77,542.20

Finding the Fourth Proportional to 141,200.28, 194,856.60 and 77,542.20

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Solution

The fourth proportional to 141,200.28, 194,856.60 and 77,542.20 is: 107,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,200.28 : 194,856.60 = 77,542.20 : x
  2. Step 2: Convert to fraction form
    141,200.28/194,856.60 = 77,542.20/x
  3. Step 3: Cross multiply
    141,200.28x = 194,856.60 × 77,542.20
  4. Step 4: Simplify right side
    141,200.28x = 15,109,609,448.52
  5. Step 5: Solve for x
    x = 15,109,609,448.52/141,200.28
  6. Step 6: Final answer
    x = 107,008.35

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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.