Home / 225,596.43-338,382.18-75,821.25

Finding the Fourth Proportional to 225,596.43, 338,382.18 and 75,821.25

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Solution

The fourth proportional to 225,596.43, 338,382.18 and 75,821.25 is: 113,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,596.43 : 338,382.18 = 75,821.25 : x
  2. Step 2: Convert to fraction form
    225,596.43/338,382.18 = 75,821.25/x
  3. Step 3: Cross multiply
    225,596.43x = 338,382.18 × 75,821.25
  4. Step 4: Simplify right side
    225,596.43x = 25,656,559,865.33
  5. Step 5: Solve for x
    x = 25,656,559,865.33/225,596.43
  6. Step 6: Final answer
    x = 113,727.69

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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.