Home / 132,317.80-198,732.02-113,385.38

Finding the Fourth Proportional to 132,317.80, 198,732.02 and 113,385.38

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Solution

The fourth proportional to 132,317.80, 198,732.02 and 113,385.38 is: 170,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,317.80 : 198,732.02 = 113,385.38 : x
  2. Step 2: Convert to fraction form
    132,317.80/198,732.02 = 113,385.38/x
  3. Step 3: Cross multiply
    132,317.80x = 198,732.02 × 113,385.38
  4. Step 4: Simplify right side
    132,317.80x = 22,533,305,605.87
  5. Step 5: Solve for x
    x = 22,533,305,605.87/132,317.80
  6. Step 6: Final answer
    x = 170,296.86

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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.