Home / 132,491.67-198,743.88-43,743.21

Finding the Fourth Proportional to 132,491.67, 198,743.88 and 43,743.21

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Solution

The fourth proportional to 132,491.67, 198,743.88 and 43,743.21 is: 65,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,491.67 : 198,743.88 = 43,743.21 : x
  2. Step 2: Convert to fraction form
    132,491.67/198,743.88 = 43,743.21/x
  3. Step 3: Cross multiply
    132,491.67x = 198,743.88 × 43,743.21
  4. Step 4: Simplify right side
    132,491.67x = 8,693,695,443.09
  5. Step 5: Solve for x
    x = 8,693,695,443.09/132,491.67
  6. Step 6: Final answer
    x = 65,616.92

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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.