Home / 192,516.11-265,565.57-111,934.73

Finding the Fourth Proportional to 192,516.11, 265,565.57 and 111,934.73

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Solution

The fourth proportional to 192,516.11, 265,565.57 and 111,934.73 is: 154,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,516.11 : 265,565.57 = 111,934.73 : x
  2. Step 2: Convert to fraction form
    192,516.11/265,565.57 = 111,934.73/x
  3. Step 3: Cross multiply
    192,516.11x = 265,565.57 × 111,934.73
  4. Step 4: Simplify right side
    192,516.11x = 29,726,010,375.25
  5. Step 5: Solve for x
    x = 29,726,010,375.25/192,516.11
  6. Step 6: Final answer
    x = 154,407.91

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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.