Home / 225,517.06-338,314.38-75,771.64

Finding the Fourth Proportional to 225,517.06, 338,314.38 and 75,771.64

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Solution

The fourth proportional to 225,517.06, 338,314.38 and 75,771.64 is: 113,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,517.06 : 338,314.38 = 75,771.64 : x
  2. Step 2: Convert to fraction form
    225,517.06/338,314.38 = 75,771.64/x
  3. Step 3: Cross multiply
    225,517.06x = 338,314.38 × 75,771.64
  4. Step 4: Simplify right side
    225,517.06x = 25,634,635,408.18
  5. Step 5: Solve for x
    x = 25,634,635,408.18/225,517.06
  6. Step 6: Final answer
    x = 113,670.49

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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.