Home / 154,360.20-231,540.30-65,616.60

Finding the Fourth Proportional to 154,360.20, 231,540.30 and 65,616.60

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Solution

The fourth proportional to 154,360.20, 231,540.30 and 65,616.60 is: 98,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,360.20 : 231,540.30 = 65,616.60 : x
  2. Step 2: Convert to fraction form
    154,360.20/231,540.30 = 65,616.60/x
  3. Step 3: Cross multiply
    154,360.20x = 231,540.30 × 65,616.60
  4. Step 4: Simplify right side
    154,360.20x = 15,192,887,248.98
  5. Step 5: Solve for x
    x = 15,192,887,248.98/154,360.20
  6. Step 6: Final answer
    x = 98,424.90

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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.