Home / 132,356.20-198,534.30-127,690.60

Finding the Fourth Proportional to 132,356.20, 198,534.30 and 127,690.60

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Solution

The fourth proportional to 132,356.20, 198,534.30 and 127,690.60 is: 191,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.20 : 198,534.30 = 127,690.60 : x
  2. Step 2: Convert to fraction form
    132,356.20/198,534.30 = 127,690.60/x
  3. Step 3: Cross multiply
    132,356.20x = 198,534.30 × 127,690.60
  4. Step 4: Simplify right side
    132,356.20x = 25,350,963,887.58
  5. Step 5: Solve for x
    x = 25,350,963,887.58/132,356.20
  6. Step 6: Final answer
    x = 191,535.90

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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.