Home / 120,902.12-181,332.92-32,156.90

Finding the Fourth Proportional to 120,902.12, 181,332.92 and 32,156.90

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Solution

The fourth proportional to 120,902.12, 181,332.92 and 32,156.90 is: 48,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,902.12 : 181,332.92 = 32,156.90 : x
  2. Step 2: Convert to fraction form
    120,902.12/181,332.92 = 32,156.90/x
  3. Step 3: Cross multiply
    120,902.12x = 181,332.92 × 32,156.90
  4. Step 4: Simplify right side
    120,902.12x = 5,831,103,748.88
  5. Step 5: Solve for x
    x = 5,831,103,748.88/120,902.12
  6. Step 6: Final answer
    x = 48,229.96

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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.