Home / 225,546.22-338,278.45-90,604.84

Finding the Fourth Proportional to 225,546.22, 338,278.45 and 90,604.84

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Solution

The fourth proportional to 225,546.22, 338,278.45 and 90,604.84 is: 135,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,546.22 : 338,278.45 = 90,604.84 : x
  2. Step 2: Convert to fraction form
    225,546.22/338,278.45 = 90,604.84/x
  3. Step 3: Cross multiply
    225,546.22x = 338,278.45 × 90,604.84
  4. Step 4: Simplify right side
    225,546.22x = 30,649,664,837.70
  5. Step 5: Solve for x
    x = 30,649,664,837.70/225,546.22
  6. Step 6: Final answer
    x = 135,890.84

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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.