Home / 198,905.44-297,943.44-88,175.20

Finding the Fourth Proportional to 198,905.44, 297,943.44 and 88,175.20

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Solution

The fourth proportional to 198,905.44, 297,943.44 and 88,175.20 is: 132,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,905.44 : 297,943.44 = 88,175.20 : x
  2. Step 2: Convert to fraction form
    198,905.44/297,943.44 = 88,175.20/x
  3. Step 3: Cross multiply
    198,905.44x = 297,943.44 × 88,175.20
  4. Step 4: Simplify right side
    198,905.44x = 26,271,222,410.69
  5. Step 5: Solve for x
    x = 26,271,222,410.69/198,905.44
  6. Step 6: Final answer
    x = 132,078.95

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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.