Home / 131,126,952.20-196,690,428.30-122,169,000.20

Finding the Fourth Proportional to 131,126,952.20, 196,690,428.30 and 122,169,000.20

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Solution

The fourth proportional to 131,126,952.20, 196,690,428.30 and 122,169,000.20 is: 183,253,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,126,952.20 : 196,690,428.30 = 122,169,000.20 : x
  2. Step 2: Convert to fraction form
    131,126,952.20/196,690,428.30 = 122,169,000.20/x
  3. Step 3: Cross multiply
    131,126,952.20x = 196,690,428.30 × 122,169,000.20
  4. Step 4: Simplify right side
    131,126,952.20x = 24,029,472,974,320,788
  5. Step 5: Solve for x
    x = 24,029,472,974,320,788/131,126,952.20
  6. Step 6: Final answer
    x = 183,253,500.30

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Double scale
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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.