Home / 200,516.16-276,693.92-115,616.82

Finding the Fourth Proportional to 200,516.16, 276,693.92 and 115,616.82

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Solution

The fourth proportional to 200,516.16, 276,693.92 and 115,616.82 is: 159,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,516.16 : 276,693.92 = 115,616.82 : x
  2. Step 2: Convert to fraction form
    200,516.16/276,693.92 = 115,616.82/x
  3. Step 3: Cross multiply
    200,516.16x = 276,693.92 × 115,616.82
  4. Step 4: Simplify right side
    200,516.16x = 31,990,471,143.73
  5. Step 5: Solve for x
    x = 31,990,471,143.73/200,516.16
  6. Step 6: Final answer
    x = 159,540.61

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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.