Home / 135,417.28-203,134.56-41,926.72

Finding the Fourth Proportional to 135,417.28, 203,134.56 and 41,926.72

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Solution

The fourth proportional to 135,417.28, 203,134.56 and 41,926.72 is: 62,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,417.28 : 203,134.56 = 41,926.72 : x
  2. Step 2: Convert to fraction form
    135,417.28/203,134.56 = 41,926.72/x
  3. Step 3: Cross multiply
    135,417.28x = 203,134.56 × 41,926.72
  4. Step 4: Simplify right side
    135,417.28x = 8,516,765,819.44
  5. Step 5: Solve for x
    x = 8,516,765,819.44/135,417.28
  6. Step 6: Final answer
    x = 62,892.76

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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.