Home / 574,234.82-861,286.56-153,543.50

Finding the Fourth Proportional to 574,234.82, 861,286.56 and 153,543.50

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Solution

The fourth proportional to 574,234.82, 861,286.56 and 153,543.50 is: 230,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,234.82 : 861,286.56 = 153,543.50 : x
  2. Step 2: Convert to fraction form
    574,234.82/861,286.56 = 153,543.50/x
  3. Step 3: Cross multiply
    574,234.82x = 861,286.56 × 153,543.50
  4. Step 4: Simplify right side
    574,234.82x = 132,244,948,618.93
  5. Step 5: Solve for x
    x = 132,244,948,618.93/574,234.82
  6. Step 6: Final answer
    x = 230,297.69

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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.