Home / 225,840.71-338,793.30-74,005.34

Finding the Fourth Proportional to 225,840.71, 338,793.30 and 74,005.34

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Solution

The fourth proportional to 225,840.71, 338,793.30 and 74,005.34 is: 111,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,840.71 : 338,793.30 = 74,005.34 : x
  2. Step 2: Convert to fraction form
    225,840.71/338,793.30 = 74,005.34/x
  3. Step 3: Cross multiply
    225,840.71x = 338,793.30 × 74,005.34
  4. Step 4: Simplify right side
    225,840.71x = 25,072,511,662.26
  5. Step 5: Solve for x
    x = 25,072,511,662.26/225,840.71
  6. Step 6: Final answer
    x = 111,018.56

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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.