Home / 222,781.38-307,454.57-127,286.03

Finding the Fourth Proportional to 222,781.38, 307,454.57 and 127,286.03

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Solution

The fourth proportional to 222,781.38, 307,454.57 and 127,286.03 is: 175,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,781.38 : 307,454.57 = 127,286.03 : x
  2. Step 2: Convert to fraction form
    222,781.38/307,454.57 = 127,286.03/x
  3. Step 3: Cross multiply
    222,781.38x = 307,454.57 × 127,286.03
  4. Step 4: Simplify right side
    222,781.38x = 39,134,669,446.95
  5. Step 5: Solve for x
    x = 39,134,669,446.95/222,781.38
  6. Step 6: Final answer
    x = 175,664.00

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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.