Home / 132,319.80-198,735.02-113,387.38

Finding the Fourth Proportional to 132,319.80, 198,735.02 and 113,387.38

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Solution

The fourth proportional to 132,319.80, 198,735.02 and 113,387.38 is: 170,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,319.80 : 198,735.02 = 113,387.38 : x
  2. Step 2: Convert to fraction form
    132,319.80/198,735.02 = 113,387.38/x
  3. Step 3: Cross multiply
    132,319.80x = 198,735.02 × 113,387.38
  4. Step 4: Simplify right side
    132,319.80x = 22,534,043,232.05
  5. Step 5: Solve for x
    x = 22,534,043,232.05/132,319.80
  6. Step 6: Final answer
    x = 170,299.86

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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.