Home / 226,239.27-339,359.51-76,439.49

Finding the Fourth Proportional to 226,239.27, 339,359.51 and 76,439.49

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Solution

The fourth proportional to 226,239.27, 339,359.51 and 76,439.49 is: 114,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,239.27 : 339,359.51 = 76,439.49 : x
  2. Step 2: Convert to fraction form
    226,239.27/339,359.51 = 76,439.49/x
  3. Step 3: Cross multiply
    226,239.27x = 339,359.51 × 76,439.49
  4. Step 4: Simplify right side
    226,239.27x = 25,940,467,871.05
  5. Step 5: Solve for x
    x = 25,940,467,871.05/226,239.27
  6. Step 6: Final answer
    x = 114,659.44

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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.