Home / 226,209.72-339,331.05-76,400.22

Finding the Fourth Proportional to 226,209.72, 339,331.05 and 76,400.22

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Solution

The fourth proportional to 226,209.72, 339,331.05 and 76,400.22 is: 114,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,209.72 : 339,331.05 = 76,400.22 : x
  2. Step 2: Convert to fraction form
    226,209.72/339,331.05 = 76,400.22/x
  3. Step 3: Cross multiply
    226,209.72x = 339,331.05 × 76,400.22
  4. Step 4: Simplify right side
    226,209.72x = 25,924,966,872.83
  5. Step 5: Solve for x
    x = 25,924,966,872.83/226,209.72
  6. Step 6: Final answer
    x = 114,605.89

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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.