Home / 200,516.54-276,694.42-115,617.20

Finding the Fourth Proportional to 200,516.54, 276,694.42 and 115,617.20

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Solution

The fourth proportional to 200,516.54, 276,694.42 and 115,617.20 is: 159,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,516.54 : 276,694.42 = 115,617.20 : x
  2. Step 2: Convert to fraction form
    200,516.54/276,694.42 = 115,617.20/x
  3. Step 3: Cross multiply
    200,516.54x = 276,694.42 × 115,617.20
  4. Step 4: Simplify right side
    200,516.54x = 31,990,632,134.47
  5. Step 5: Solve for x
    x = 31,990,632,134.47/200,516.54
  6. Step 6: Final answer
    x = 159,541.12

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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.