Home / 121,138.62-181,695.17-32,401.10

Finding the Fourth Proportional to 121,138.62, 181,695.17 and 32,401.10

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Solution

The fourth proportional to 121,138.62, 181,695.17 and 32,401.10 is: 48,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,138.62 : 181,695.17 = 32,401.10 : x
  2. Step 2: Convert to fraction form
    121,138.62/181,695.17 = 32,401.10/x
  3. Step 3: Cross multiply
    121,138.62x = 181,695.17 × 32,401.10
  4. Step 4: Simplify right side
    121,138.62x = 5,887,122,302.21
  5. Step 5: Solve for x
    x = 5,887,122,302.21/121,138.62
  6. Step 6: Final answer
    x = 48,598.23

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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.