Home / 225,455.20-338,199.22-75,694.23

Finding the Fourth Proportional to 225,455.20, 338,199.22 and 75,694.23

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Solution

The fourth proportional to 225,455.20, 338,199.22 and 75,694.23 is: 113,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,455.20 : 338,199.22 = 75,694.23 : x
  2. Step 2: Convert to fraction form
    225,455.20/338,199.22 = 75,694.23/x
  3. Step 3: Cross multiply
    225,455.20x = 338,199.22 × 75,694.23
  4. Step 4: Simplify right side
    225,455.20x = 25,599,730,907.37
  5. Step 5: Solve for x
    x = 25,599,730,907.37/225,455.20
  6. Step 6: Final answer
    x = 113,546.86

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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.