Home / 132,986.52-198,617.55-120,481.56

Finding the Fourth Proportional to 132,986.52, 198,617.55 and 120,481.56

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Solution

The fourth proportional to 132,986.52, 198,617.55 and 120,481.56 is: 179,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,986.52 : 198,617.55 = 120,481.56 : x
  2. Step 2: Convert to fraction form
    132,986.52/198,617.55 = 120,481.56/x
  3. Step 3: Cross multiply
    132,986.52x = 198,617.55 × 120,481.56
  4. Step 4: Simplify right side
    132,986.52x = 23,929,752,267.38
  5. Step 5: Solve for x
    x = 23,929,752,267.38/132,986.52
  6. Step 6: Final answer
    x = 179,941.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.