Home / 198,385.82-273,705.82-112,333.04

Finding the Fourth Proportional to 198,385.82, 273,705.82 and 112,333.04

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Solution

The fourth proportional to 198,385.82, 273,705.82 and 112,333.04 is: 154,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,385.82 : 273,705.82 = 112,333.04 : x
  2. Step 2: Convert to fraction form
    198,385.82/273,705.82 = 112,333.04/x
  3. Step 3: Cross multiply
    198,385.82x = 273,705.82 × 112,333.04
  4. Step 4: Simplify right side
    198,385.82x = 30,746,206,826.29
  5. Step 5: Solve for x
    x = 30,746,206,826.29/198,385.82
  6. Step 6: Final answer
    x = 154,981.88

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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.