Home / 231,838.20-347,757.30-225,277.20

Finding the Fourth Proportional to 231,838.20, 347,757.30 and 225,277.20

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Solution

The fourth proportional to 231,838.20, 347,757.30 and 225,277.20 is: 337,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,838.20 : 347,757.30 = 225,277.20 : x
  2. Step 2: Convert to fraction form
    231,838.20/347,757.30 = 225,277.20/x
  3. Step 3: Cross multiply
    231,838.20x = 347,757.30 × 225,277.20
  4. Step 4: Simplify right side
    231,838.20x = 78,341,790,823.56
  5. Step 5: Solve for x
    x = 78,341,790,823.56/231,838.20
  6. Step 6: Final answer
    x = 337,915.80

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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.