Home / 218,085.80-327,127.62-58,161.38

Finding the Fourth Proportional to 218,085.80, 327,127.62 and 58,161.38

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Solution

The fourth proportional to 218,085.80, 327,127.62 and 58,161.38 is: 87,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,085.80 : 327,127.62 = 58,161.38 : x
  2. Step 2: Convert to fraction form
    218,085.80/327,127.62 = 58,161.38/x
  3. Step 3: Cross multiply
    218,085.80x = 327,127.62 × 58,161.38
  4. Step 4: Simplify right side
    218,085.80x = 19,026,193,815.32
  5. Step 5: Solve for x
    x = 19,026,193,815.32/218,085.80
  6. Step 6: Final answer
    x = 87,241.78

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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.