Home / 165,974.06-248,961.24-71,142.71

Finding the Fourth Proportional to 165,974.06, 248,961.24 and 71,142.71

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Solution

The fourth proportional to 165,974.06, 248,961.24 and 71,142.71 is: 106,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,974.06 : 248,961.24 = 71,142.71 : x
  2. Step 2: Convert to fraction form
    165,974.06/248,961.24 = 71,142.71/x
  3. Step 3: Cross multiply
    165,974.06x = 248,961.24 × 71,142.71
  4. Step 4: Simplify right side
    165,974.06x = 17,711,776,053.75
  5. Step 5: Solve for x
    x = 17,711,776,053.75/165,974.06
  6. Step 6: Final answer
    x = 106,714.12

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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.