Home / 198,239.19-273,574.16-112,198.17

Finding the Fourth Proportional to 198,239.19, 273,574.16 and 112,198.17

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Solution

The fourth proportional to 198,239.19, 273,574.16 and 112,198.17 is: 154,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,239.19 : 273,574.16 = 112,198.17 : x
  2. Step 2: Convert to fraction form
    198,239.19/273,574.16 = 112,198.17/x
  3. Step 3: Cross multiply
    198,239.19x = 273,574.16 × 112,198.17
  4. Step 4: Simplify right side
    198,239.19x = 30,694,519,550.30
  5. Step 5: Solve for x
    x = 30,694,519,550.30/198,239.19
  6. Step 6: Final answer
    x = 154,835.78

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1.5x scale

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.