Home / 230,844.60-318,511.44-140,198.04

Finding the Fourth Proportional to 230,844.60, 318,511.44 and 140,198.04

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Solution

The fourth proportional to 230,844.60, 318,511.44 and 140,198.04 is: 193,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,844.60 : 318,511.44 = 140,198.04 : x
  2. Step 2: Convert to fraction form
    230,844.60/318,511.44 = 140,198.04/x
  3. Step 3: Cross multiply
    230,844.60x = 318,511.44 × 140,198.04
  4. Step 4: Simplify right side
    230,844.60x = 44,654,679,605.58
  5. Step 5: Solve for x
    x = 44,654,679,605.58/230,844.60
  6. Step 6: Final answer
    x = 193,440.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.