Home / 156,631.48-216,151.76-92,982.04

Finding the Fourth Proportional to 156,631.48, 216,151.76 and 92,982.04

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Solution

The fourth proportional to 156,631.48, 216,151.76 and 92,982.04 is: 128,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.48 : 216,151.76 = 92,982.04 : x
  2. Step 2: Convert to fraction form
    156,631.48/216,151.76 = 92,982.04/x
  3. Step 3: Cross multiply
    156,631.48x = 216,151.76 × 92,982.04
  4. Step 4: Simplify right side
    156,631.48x = 20,098,231,594.39
  5. Step 5: Solve for x
    x = 20,098,231,594.39/156,631.48
  6. Step 6: Final answer
    x = 128,315.40

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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.