Home / 150,197.11-207,257.83-89,755.72

Finding the Fourth Proportional to 150,197.11, 207,257.83 and 89,755.72

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Solution

The fourth proportional to 150,197.11, 207,257.83 and 89,755.72 is: 123,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,197.11 : 207,257.83 = 89,755.72 : x
  2. Step 2: Convert to fraction form
    150,197.11/207,257.83 = 89,755.72/x
  3. Step 3: Cross multiply
    150,197.11x = 207,257.83 × 89,755.72
  4. Step 4: Simplify right side
    150,197.11x = 18,602,575,757.29
  5. Step 5: Solve for x
    x = 18,602,575,757.29/150,197.11
  6. Step 6: Final answer
    x = 123,854.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.