Home / 199,286.27-274,859.53-127,672.95

Finding the Fourth Proportional to 199,286.27, 274,859.53 and 127,672.95

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Solution

The fourth proportional to 199,286.27, 274,859.53 and 127,672.95 is: 176,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286.27 : 274,859.53 = 127,672.95 : x
  2. Step 2: Convert to fraction form
    199,286.27/274,859.53 = 127,672.95/x
  3. Step 3: Cross multiply
    199,286.27x = 274,859.53 × 127,672.95
  4. Step 4: Simplify right side
    199,286.27x = 35,092,126,711.53
  5. Step 5: Solve for x
    x = 35,092,126,711.53/199,286.27
  6. Step 6: Final answer
    x = 176,089.04

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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.