Home / 226,439.92-339,663.12-86,206.24

Finding the Fourth Proportional to 226,439.92, 339,663.12 and 86,206.24

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Solution

The fourth proportional to 226,439.92, 339,663.12 and 86,206.24 is: 129,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,439.92 : 339,663.12 = 86,206.24 : x
  2. Step 2: Convert to fraction form
    226,439.92/339,663.12 = 86,206.24/x
  3. Step 3: Cross multiply
    226,439.92x = 339,663.12 × 86,206.24
  4. Step 4: Simplify right side
    226,439.92x = 29,281,080,441.87
  5. Step 5: Solve for x
    x = 29,281,080,441.87/226,439.92
  6. Step 6: Final answer
    x = 129,310.59

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1.5x scale

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.