Home / 227,474.08-313,915.29-125,500.78

Finding the Fourth Proportional to 227,474.08, 313,915.29 and 125,500.78

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Solution

The fourth proportional to 227,474.08, 313,915.29 and 125,500.78 is: 173,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,474.08 : 313,915.29 = 125,500.78 : x
  2. Step 2: Convert to fraction form
    227,474.08/313,915.29 = 125,500.78/x
  3. Step 3: Cross multiply
    227,474.08x = 313,915.29 × 125,500.78
  4. Step 4: Simplify right side
    227,474.08x = 39,396,613,748.93
  5. Step 5: Solve for x
    x = 39,396,613,748.93/227,474.08
  6. Step 6: Final answer
    x = 173,191.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.