Home / 132,002.20-198,003.30-127,336.60

Finding the Fourth Proportional to 132,002.20, 198,003.30 and 127,336.60

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Solution

The fourth proportional to 132,002.20, 198,003.30 and 127,336.60 is: 191,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.20 : 198,003.30 = 127,336.60 : x
  2. Step 2: Convert to fraction form
    132,002.20/198,003.30 = 127,336.60/x
  3. Step 3: Cross multiply
    132,002.20x = 198,003.30 × 127,336.60
  4. Step 4: Simplify right side
    132,002.20x = 25,213,067,010.78
  5. Step 5: Solve for x
    x = 25,213,067,010.78/132,002.20
  6. Step 6: Final answer
    x = 191,004.90

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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.