Home / 154,418.20-231,627.30-147,201.10

Finding the Fourth Proportional to 154,418.20, 231,627.30 and 147,201.10

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Solution

The fourth proportional to 154,418.20, 231,627.30 and 147,201.10 is: 220,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,418.20 : 231,627.30 = 147,201.10 : x
  2. Step 2: Convert to fraction form
    154,418.20/231,627.30 = 147,201.10/x
  3. Step 3: Cross multiply
    154,418.20x = 231,627.30 × 147,201.10
  4. Step 4: Simplify right side
    154,418.20x = 34,095,793,350.03
  5. Step 5: Solve for x
    x = 34,095,793,350.03/154,418.20
  6. Step 6: Final answer
    x = 220,801.65

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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.