Home / 132,431.33-198,653.12-43,692.59

Finding the Fourth Proportional to 132,431.33, 198,653.12 and 43,692.59

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Solution

The fourth proportional to 132,431.33, 198,653.12 and 43,692.59 is: 65,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,431.33 : 198,653.12 = 43,692.59 : x
  2. Step 2: Convert to fraction form
    132,431.33/198,653.12 = 43,692.59/x
  3. Step 3: Cross multiply
    132,431.33x = 198,653.12 × 43,692.59
  4. Step 4: Simplify right side
    132,431.33x = 8,679,668,112.65
  5. Step 5: Solve for x
    x = 8,679,668,112.65/132,431.33
  6. Step 6: Final answer
    x = 65,540.90

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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.