Home / 156,919.17-216,670.68-96,517.92

Finding the Fourth Proportional to 156,919.17, 216,670.68 and 96,517.92

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Solution

The fourth proportional to 156,919.17, 216,670.68 and 96,517.92 is: 133,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.17 : 216,670.68 = 96,517.92 : x
  2. Step 2: Convert to fraction form
    156,919.17/216,670.68 = 96,517.92/x
  3. Step 3: Cross multiply
    156,919.17x = 216,670.68 × 96,517.92
  4. Step 4: Simplify right side
    156,919.17x = 20,912,603,358.59
  5. Step 5: Solve for x
    x = 20,912,603,358.59/156,919.17
  6. Step 6: Final answer
    x = 133,269.91

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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.