Home / 225,660.48-338,403.20-120,422.04

Finding the Fourth Proportional to 225,660.48, 338,403.20 and 120,422.04

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Solution

The fourth proportional to 225,660.48, 338,403.20 and 120,422.04 is: 180,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,660.48 : 338,403.20 = 120,422.04 : x
  2. Step 2: Convert to fraction form
    225,660.48/338,403.20 = 120,422.04/x
  3. Step 3: Cross multiply
    225,660.48x = 338,403.20 × 120,422.04
  4. Step 4: Simplify right side
    225,660.48x = 40,751,203,686.53
  5. Step 5: Solve for x
    x = 40,751,203,686.53/225,660.48
  6. Step 6: Final answer
    x = 180,586.36

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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.