Home / 435,947.72-653,923.82-132,344.52

Finding the Fourth Proportional to 435,947.72, 653,923.82 and 132,344.52

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Solution

The fourth proportional to 435,947.72, 653,923.82 and 132,344.52 is: 198,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,947.72 : 653,923.82 = 132,344.52 : x
  2. Step 2: Convert to fraction form
    435,947.72/653,923.82 = 132,344.52/x
  3. Step 3: Cross multiply
    435,947.72x = 653,923.82 × 132,344.52
  4. Step 4: Simplify right side
    435,947.72x = 86,543,234,074.47
  5. Step 5: Solve for x
    x = 86,543,234,074.47/435,947.72
  6. Step 6: Final answer
    x = 198,517.46

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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.