Home / 198,120.87-297,180.29-48,361.95

Finding the Fourth Proportional to 198,120.87, 297,180.29 and 48,361.95

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Solution

The fourth proportional to 198,120.87, 297,180.29 and 48,361.95 is: 72,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,120.87 : 297,180.29 = 48,361.95 : x
  2. Step 2: Convert to fraction form
    198,120.87/297,180.29 = 48,361.95/x
  3. Step 3: Cross multiply
    198,120.87x = 297,180.29 × 48,361.95
  4. Step 4: Simplify right side
    198,120.87x = 14,372,218,325.97
  5. Step 5: Solve for x
    x = 14,372,218,325.97/198,120.87
  6. Step 6: Final answer
    x = 72,542.68

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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.