Home / 231,242.20-346,863.30-73,486.60

Finding the Fourth Proportional to 231,242.20, 346,863.30 and 73,486.60

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Solution

The fourth proportional to 231,242.20, 346,863.30 and 73,486.60 is: 110,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,242.20 : 346,863.30 = 73,486.60 : x
  2. Step 2: Convert to fraction form
    231,242.20/346,863.30 = 73,486.60/x
  3. Step 3: Cross multiply
    231,242.20x = 346,863.30 × 73,486.60
  4. Step 4: Simplify right side
    231,242.20x = 25,489,804,581.78
  5. Step 5: Solve for x
    x = 25,489,804,581.78/231,242.20
  6. Step 6: Final answer
    x = 110,229.90

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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.