Home / 142,229.28-197,175.02-134,644.92

Finding the Fourth Proportional to 142,229.28, 197,175.02 and 134,644.92

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Solution

The fourth proportional to 142,229.28, 197,175.02 and 134,644.92 is: 186,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,229.28 : 197,175.02 = 134,644.92 : x
  2. Step 2: Convert to fraction form
    142,229.28/197,175.02 = 134,644.92/x
  3. Step 3: Cross multiply
    142,229.28x = 197,175.02 × 134,644.92
  4. Step 4: Simplify right side
    142,229.28x = 26,548,614,793.90
  5. Step 5: Solve for x
    x = 26,548,614,793.90/142,229.28
  6. Step 6: Final answer
    x = 186,660.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.