Home / 120,691.22-181,049.16-41,805.30

Finding the Fourth Proportional to 120,691.22, 181,049.16 and 41,805.30

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Solution

The fourth proportional to 120,691.22, 181,049.16 and 41,805.30 is: 62,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,691.22 : 181,049.16 = 41,805.30 : x
  2. Step 2: Convert to fraction form
    120,691.22/181,049.16 = 41,805.30/x
  3. Step 3: Cross multiply
    120,691.22x = 181,049.16 × 41,805.30
  4. Step 4: Simplify right side
    120,691.22x = 7,568,814,448.55
  5. Step 5: Solve for x
    x = 7,568,814,448.55/120,691.22
  6. Step 6: Final answer
    x = 62,712.22

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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.