Home / 225,984.57-339,115.25-91,023.87

Finding the Fourth Proportional to 225,984.57, 339,115.25 and 91,023.87

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Solution

The fourth proportional to 225,984.57, 339,115.25 and 91,023.87 is: 136,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,984.57 : 339,115.25 = 91,023.87 : x
  2. Step 2: Convert to fraction form
    225,984.57/339,115.25 = 91,023.87/x
  3. Step 3: Cross multiply
    225,984.57x = 339,115.25 × 91,023.87
  4. Step 4: Simplify right side
    225,984.57x = 30,867,581,975.90
  5. Step 5: Solve for x
    x = 30,867,581,975.90/225,984.57
  6. Step 6: Final answer
    x = 136,591.55

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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.