Home / 226,630.20-339,945.30-187,231.80

Finding the Fourth Proportional to 226,630.20, 339,945.30 and 187,231.80

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Solution

The fourth proportional to 226,630.20, 339,945.30 and 187,231.80 is: 280,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,630.20 : 339,945.30 = 187,231.80 : x
  2. Step 2: Convert to fraction form
    226,630.20/339,945.30 = 187,231.80/x
  3. Step 3: Cross multiply
    226,630.20x = 339,945.30 × 187,231.80
  4. Step 4: Simplify right side
    226,630.20x = 63,648,570,420.54
  5. Step 5: Solve for x
    x = 63,648,570,420.54/226,630.20
  6. Step 6: Final answer
    x = 280,847.70

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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.