Home / 218,472.24-327,708.35-124,912.38

Finding the Fourth Proportional to 218,472.24, 327,708.35 and 124,912.38

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Solution

The fourth proportional to 218,472.24, 327,708.35 and 124,912.38 is: 187,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,472.24 : 327,708.35 = 124,912.38 : x
  2. Step 2: Convert to fraction form
    218,472.24/327,708.35 = 124,912.38/x
  3. Step 3: Cross multiply
    218,472.24x = 327,708.35 × 124,912.38
  4. Step 4: Simplify right side
    218,472.24x = 40,934,828,618.11
  5. Step 5: Solve for x
    x = 40,934,828,618.11/218,472.24
  6. Step 6: Final answer
    x = 187,368.56

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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.