Home / 226,785.68-340,255.38-100,408.49

Finding the Fourth Proportional to 226,785.68, 340,255.38 and 100,408.49

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Solution

The fourth proportional to 226,785.68, 340,255.38 and 100,408.49 is: 150,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,785.68 : 340,255.38 = 100,408.49 : x
  2. Step 2: Convert to fraction form
    226,785.68/340,255.38 = 100,408.49/x
  3. Step 3: Cross multiply
    226,785.68x = 340,255.38 × 100,408.49
  4. Step 4: Simplify right side
    226,785.68x = 34,164,527,218.90
  5. Step 5: Solve for x
    x = 34,164,527,218.90/226,785.68
  6. Step 6: Final answer
    x = 150,646.76

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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.