Home / 156,987.20-216,641.04-92,493.92

Finding the Fourth Proportional to 156,987.20, 216,641.04 and 92,493.92

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Solution

The fourth proportional to 156,987.20, 216,641.04 and 92,493.92 is: 127,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.20 : 216,641.04 = 92,493.92 : x
  2. Step 2: Convert to fraction form
    156,987.20/216,641.04 = 92,493.92/x
  3. Step 3: Cross multiply
    156,987.20x = 216,641.04 × 92,493.92
  4. Step 4: Simplify right side
    156,987.20x = 20,037,979,022.48
  5. Step 5: Solve for x
    x = 20,037,979,022.48/156,987.20
  6. Step 6: Final answer
    x = 127,640.85

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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.