Home / 225,795.72-338,572.56-75,986.28

Finding the Fourth Proportional to 225,795.72, 338,572.56 and 75,986.28

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Solution

The fourth proportional to 225,795.72, 338,572.56 and 75,986.28 is: 113,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,795.72 : 338,572.56 = 75,986.28 : x
  2. Step 2: Convert to fraction form
    225,795.72/338,572.56 = 75,986.28/x
  3. Step 3: Cross multiply
    225,795.72x = 338,572.56 × 75,986.28
  4. Step 4: Simplify right side
    225,795.72x = 25,726,869,344.48
  5. Step 5: Solve for x
    x = 25,726,869,344.48/225,795.72
  6. Step 6: Final answer
    x = 113,938.69

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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.