Home / 150,194.11-207,253.70-89,752.72

Finding the Fourth Proportional to 150,194.11, 207,253.70 and 89,752.72

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Solution

The fourth proportional to 150,194.11, 207,253.70 and 89,752.72 is: 123,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,194.11 : 207,253.70 = 89,752.72 : x
  2. Step 2: Convert to fraction form
    150,194.11/207,253.70 = 89,752.72/x
  3. Step 3: Cross multiply
    150,194.11x = 207,253.70 × 89,752.72
  4. Step 4: Simplify right side
    150,194.11x = 18,601,582,856.30
  5. Step 5: Solve for x
    x = 18,601,582,856.30/150,194.11
  6. Step 6: Final answer
    x = 123,850.28

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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.