Home / 422,190.11-633,350.77-141,772.97

Finding the Fourth Proportional to 422,190.11, 633,350.77 and 141,772.97

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Solution

The fourth proportional to 422,190.11, 633,350.77 and 141,772.97 is: 212,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,190.11 : 633,350.77 = 141,772.97 : x
  2. Step 2: Convert to fraction form
    422,190.11/633,350.77 = 141,772.97/x
  3. Step 3: Cross multiply
    422,190.11x = 633,350.77 × 141,772.97
  4. Step 4: Simplify right side
    422,190.11x = 89,792,019,414.80
  5. Step 5: Solve for x
    x = 89,792,019,414.80/422,190.11
  6. Step 6: Final answer
    x = 212,681.49

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1.5x scale

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.