Home / 218,044.64-327,170.22-91,712.54

Finding the Fourth Proportional to 218,044.64, 327,170.22 and 91,712.54

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Solution

The fourth proportional to 218,044.64, 327,170.22 and 91,712.54 is: 137,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,044.64 : 327,170.22 = 91,712.54 : x
  2. Step 2: Convert to fraction form
    218,044.64/327,170.22 = 91,712.54/x
  3. Step 3: Cross multiply
    218,044.64x = 327,170.22 × 91,712.54
  4. Step 4: Simplify right side
    218,044.64x = 30,005,611,888.56
  5. Step 5: Solve for x
    x = 30,005,611,888.56/218,044.64
  6. Step 6: Final answer
    x = 137,612.24

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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.