Home / 226,328.11-339,439.50-84,240.30

Finding the Fourth Proportional to 226,328.11, 339,439.50 and 84,240.30

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Solution

The fourth proportional to 226,328.11, 339,439.50 and 84,240.30 is: 126,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,328.11 : 339,439.50 = 84,240.30 : x
  2. Step 2: Convert to fraction form
    226,328.11/339,439.50 = 84,240.30/x
  3. Step 3: Cross multiply
    226,328.11x = 339,439.50 × 84,240.30
  4. Step 4: Simplify right side
    226,328.11x = 28,594,486,690.05
  5. Step 5: Solve for x
    x = 28,594,486,690.05/226,328.11
  6. Step 6: Final answer
    x = 126,340.85

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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.