Home / 165,879.24-248,892.30-86,974.62

Finding the Fourth Proportional to 165,879.24, 248,892.30 and 86,974.62

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Solution

The fourth proportional to 165,879.24, 248,892.30 and 86,974.62 is: 130,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,879.24 : 248,892.30 = 86,974.62 : x
  2. Step 2: Convert to fraction form
    165,879.24/248,892.30 = 86,974.62/x
  3. Step 3: Cross multiply
    165,879.24x = 248,892.30 × 86,974.62
  4. Step 4: Simplify right side
    165,879.24x = 21,647,313,213.43
  5. Step 5: Solve for x
    x = 21,647,313,213.43/165,879.24
  6. Step 6: Final answer
    x = 130,500.44

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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.