Home / 226,057.43-338,848.31-76,245.20

Finding the Fourth Proportional to 226,057.43, 338,848.31 and 76,245.20

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Solution

The fourth proportional to 226,057.43, 338,848.31 and 76,245.20 is: 114,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,057.43 : 338,848.31 = 76,245.20 : x
  2. Step 2: Convert to fraction form
    226,057.43/338,848.31 = 76,245.20/x
  3. Step 3: Cross multiply
    226,057.43x = 338,848.31 × 76,245.20
  4. Step 4: Simplify right side
    226,057.43x = 25,835,556,932.66
  5. Step 5: Solve for x
    x = 25,835,556,932.66/226,057.43
  6. Step 6: Final answer
    x = 114,287.58

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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.