Home / 226,404.30-339,606.45-209,297.10

Finding the Fourth Proportional to 226,404.30, 339,606.45 and 209,297.10

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Solution

The fourth proportional to 226,404.30, 339,606.45 and 209,297.10 is: 313,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,404.30 : 339,606.45 = 209,297.10 : x
  2. Step 2: Convert to fraction form
    226,404.30/339,606.45 = 209,297.10/x
  3. Step 3: Cross multiply
    226,404.30x = 339,606.45 × 209,297.10
  4. Step 4: Simplify right side
    226,404.30x = 71,078,645,126.30
  5. Step 5: Solve for x
    x = 71,078,645,126.30/226,404.30
  6. Step 6: Final answer
    x = 313,945.65

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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.