Home / 218,715.38-328,073.27-60,948.03

Finding the Fourth Proportional to 218,715.38, 328,073.27 and 60,948.03

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Solution

The fourth proportional to 218,715.38, 328,073.27 and 60,948.03 is: 91,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,715.38 : 328,073.27 = 60,948.03 : x
  2. Step 2: Convert to fraction form
    218,715.38/328,073.27 = 60,948.03/x
  3. Step 3: Cross multiply
    218,715.38x = 328,073.27 × 60,948.03
  4. Step 4: Simplify right side
    218,715.38x = 19,995,419,197.42
  5. Step 5: Solve for x
    x = 19,995,419,197.42/218,715.38
  6. Step 6: Final answer
    x = 91,422.10

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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.