Home / 120,843.25-181,252.11-32,105.72

Finding the Fourth Proportional to 120,843.25, 181,252.11 and 32,105.72

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Solution

The fourth proportional to 120,843.25, 181,252.11 and 32,105.72 is: 48,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,843.25 : 181,252.11 = 32,105.72 : x
  2. Step 2: Convert to fraction form
    120,843.25/181,252.11 = 32,105.72/x
  3. Step 3: Cross multiply
    120,843.25x = 181,252.11 × 32,105.72
  4. Step 4: Simplify right side
    120,843.25x = 5,819,230,066.60
  5. Step 5: Solve for x
    x = 5,819,230,066.60/120,843.25
  6. Step 6: Final answer
    x = 48,155.19

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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.