Home / 154,481.65-231,755.57-47,863.25

Finding the Fourth Proportional to 154,481.65, 231,755.57 and 47,863.25

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Solution

The fourth proportional to 154,481.65, 231,755.57 and 47,863.25 is: 71,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,481.65 : 231,755.57 = 47,863.25 : x
  2. Step 2: Convert to fraction form
    154,481.65/231,755.57 = 47,863.25/x
  3. Step 3: Cross multiply
    154,481.65x = 231,755.57 × 47,863.25
  4. Step 4: Simplify right side
    154,481.65x = 11,092,574,648.38
  5. Step 5: Solve for x
    x = 11,092,574,648.38/154,481.65
  6. Step 6: Final answer
    x = 71,805.13

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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.