Home / 226,523.20-339,698.40-68,699.20

Finding the Fourth Proportional to 226,523.20, 339,698.40 and 68,699.20

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Solution

The fourth proportional to 226,523.20, 339,698.40 and 68,699.20 is: 103,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,523.20 : 339,698.40 = 68,699.20 : x
  2. Step 2: Convert to fraction form
    226,523.20/339,698.40 = 68,699.20/x
  3. Step 3: Cross multiply
    226,523.20x = 339,698.40 × 68,699.20
  4. Step 4: Simplify right side
    226,523.20x = 23,337,008,321.28
  5. Step 5: Solve for x
    x = 23,337,008,321.28/226,523.20
  6. Step 6: Final answer
    x = 103,022.60

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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.