Home / 200,516.29-276,694.07-115,616.95

Finding the Fourth Proportional to 200,516.29, 276,694.07 and 115,616.95

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Solution

The fourth proportional to 200,516.29, 276,694.07 and 115,616.95 is: 159,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,516.29 : 276,694.07 = 115,616.95 : x
  2. Step 2: Convert to fraction form
    200,516.29/276,694.07 = 115,616.95/x
  3. Step 3: Cross multiply
    200,516.29x = 276,694.07 × 115,616.95
  4. Step 4: Simplify right side
    200,516.29x = 31,990,524,456.49
  5. Step 5: Solve for x
    x = 31,990,524,456.49/200,516.29
  6. Step 6: Final answer
    x = 159,540.78

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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.