Home / 226,503.20-312,591.92-135,862.72

Finding the Fourth Proportional to 226,503.20, 312,591.92 and 135,862.72

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Solution

The fourth proportional to 226,503.20, 312,591.92 and 135,862.72 is: 187,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,503.20 : 312,591.92 = 135,862.72 : x
  2. Step 2: Convert to fraction form
    226,503.20/312,591.92 = 135,862.72/x
  3. Step 3: Cross multiply
    226,503.20x = 312,591.92 × 135,862.72
  4. Step 4: Simplify right side
    226,503.20x = 42,469,588,501.22
  5. Step 5: Solve for x
    x = 42,469,588,501.22/226,503.20
  6. Step 6: Final answer
    x = 187,501.05

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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.