Home / 147,076.13-220,585.15-40,432.58

Finding the Fourth Proportional to 147,076.13, 220,585.15 and 40,432.58

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Solution

The fourth proportional to 147,076.13, 220,585.15 and 40,432.58 is: 60,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,076.13 : 220,585.15 = 40,432.58 : x
  2. Step 2: Convert to fraction form
    147,076.13/220,585.15 = 40,432.58/x
  3. Step 3: Cross multiply
    147,076.13x = 220,585.15 × 40,432.58
  4. Step 4: Simplify right side
    147,076.13x = 8,918,826,499.00
  5. Step 5: Solve for x
    x = 8,918,826,499.00/147,076.13
  6. Step 6: Final answer
    x = 60,640.88

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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.