Home / 131,235,998.40-196,853,997.60-123,677,726.40

Finding the Fourth Proportional to 131,235,998.40, 196,853,997.60 and 123,677,726.40

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Solution

The fourth proportional to 131,235,998.40, 196,853,997.60 and 123,677,726.40 is: 185,516,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235,998.40 : 196,853,997.60 = 123,677,726.40 : x
  2. Step 2: Convert to fraction form
    131,235,998.40/196,853,997.60 = 123,677,726.40/x
  3. Step 3: Cross multiply
    131,235,998.40x = 196,853,997.60 × 123,677,726.40
  4. Step 4: Simplify right side
    131,235,998.40x = 24,346,454,855,919,056
  5. Step 5: Solve for x
    x = 24,346,454,855,919,056/131,235,998.40
  6. Step 6: Final answer
    x = 185,516,589.60

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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.