Home / 120,972.38-181,458.84-36,733.19

Finding the Fourth Proportional to 120,972.38, 181,458.84 and 36,733.19

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Solution

The fourth proportional to 120,972.38, 181,458.84 and 36,733.19 is: 55,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,972.38 : 181,458.84 = 36,733.19 : x
  2. Step 2: Convert to fraction form
    120,972.38/181,458.84 = 36,733.19/x
  3. Step 3: Cross multiply
    120,972.38x = 181,458.84 × 36,733.19
  4. Step 4: Simplify right side
    120,972.38x = 6,665,562,046.90
  5. Step 5: Solve for x
    x = 6,665,562,046.90/120,972.38
  6. Step 6: Final answer
    x = 55,099.87

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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.