Home / 227,175.10-313,580.37-155,791.42

Finding the Fourth Proportional to 227,175.10, 313,580.37 and 155,791.42

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Solution

The fourth proportional to 227,175.10, 313,580.37 and 155,791.42 is: 215,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,175.10 : 313,580.37 = 155,791.42 : x
  2. Step 2: Convert to fraction form
    227,175.10/313,580.37 = 155,791.42/x
  3. Step 3: Cross multiply
    227,175.10x = 313,580.37 × 155,791.42
  4. Step 4: Simplify right side
    227,175.10x = 48,853,131,126.43
  5. Step 5: Solve for x
    x = 48,853,131,126.43/227,175.10
  6. Step 6: Final answer
    x = 215,046.15

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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.