Home / 165,891.38-248,864.43-60,857.78

Finding the Fourth Proportional to 165,891.38, 248,864.43 and 60,857.78

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Solution

The fourth proportional to 165,891.38, 248,864.43 and 60,857.78 is: 91,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,891.38 : 248,864.43 = 60,857.78 : x
  2. Step 2: Convert to fraction form
    165,891.38/248,864.43 = 60,857.78/x
  3. Step 3: Cross multiply
    165,891.38x = 248,864.43 × 60,857.78
  4. Step 4: Simplify right side
    165,891.38x = 15,145,336,730.77
  5. Step 5: Solve for x
    x = 15,145,336,730.77/165,891.38
  6. Step 6: Final answer
    x = 91,296.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.