Home / 256,149.92-353,508.02-141,439.95

Finding the Fourth Proportional to 256,149.92, 353,508.02 and 141,439.95

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Solution

The fourth proportional to 256,149.92, 353,508.02 and 141,439.95 is: 195,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,149.92 : 353,508.02 = 141,439.95 : x
  2. Step 2: Convert to fraction form
    256,149.92/353,508.02 = 141,439.95/x
  3. Step 3: Cross multiply
    256,149.92x = 353,508.02 × 141,439.95
  4. Step 4: Simplify right side
    256,149.92x = 50,000,155,966.20
  5. Step 5: Solve for x
    x = 50,000,155,966.20/256,149.92
  6. Step 6: Final answer
    x = 195,198.80

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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.