Home / 231,028.20-346,569.30-73,272.60

Finding the Fourth Proportional to 231,028.20, 346,569.30 and 73,272.60

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Solution

The fourth proportional to 231,028.20, 346,569.30 and 73,272.60 is: 109,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,028.20 : 346,569.30 = 73,272.60 : x
  2. Step 2: Convert to fraction form
    231,028.20/346,569.30 = 73,272.60/x
  3. Step 3: Cross multiply
    231,028.20x = 346,569.30 × 73,272.60
  4. Step 4: Simplify right side
    231,028.20x = 25,394,033,691.18
  5. Step 5: Solve for x
    x = 25,394,033,691.18/231,028.20
  6. Step 6: Final answer
    x = 109,917.46

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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.