Home / 96,332.20-144,498.30-86,490.70

Finding the Fourth Proportional to 96,332.20, 144,498.30 and 86,490.70

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Solution

The fourth proportional to 96,332.20, 144,498.30 and 86,490.70 is: 129,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,332.20 : 144,498.30 = 86,490.70 : x
  2. Step 2: Convert to fraction form
    96,332.20/144,498.30 = 86,490.70/x
  3. Step 3: Cross multiply
    96,332.20x = 144,498.30 × 86,490.70
  4. Step 4: Simplify right side
    96,332.20x = 12,497,759,115.81
  5. Step 5: Solve for x
    x = 12,497,759,115.81/96,332.20
  6. Step 6: Final answer
    x = 129,736.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.