Home / 198,348.92-273,711.66-112,294.52

Finding the Fourth Proportional to 198,348.92, 273,711.66 and 112,294.52

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Solution

The fourth proportional to 198,348.92, 273,711.66 and 112,294.52 is: 154,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,348.92 : 273,711.66 = 112,294.52 : x
  2. Step 2: Convert to fraction form
    198,348.92/273,711.66 = 112,294.52/x
  3. Step 3: Cross multiply
    198,348.92x = 273,711.66 × 112,294.52
  4. Step 4: Simplify right side
    198,348.92x = 30,736,319,478.10
  5. Step 5: Solve for x
    x = 30,736,319,478.10/198,348.92
  6. Step 6: Final answer
    x = 154,960.86

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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.