Home / 198,436.89-273,847.85-107,792.83

Finding the Fourth Proportional to 198,436.89, 273,847.85 and 107,792.83

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Solution

The fourth proportional to 198,436.89, 273,847.85 and 107,792.83 is: 148,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,436.89 : 273,847.85 = 107,792.83 : x
  2. Step 2: Convert to fraction form
    198,436.89/273,847.85 = 107,792.83/x
  3. Step 3: Cross multiply
    198,436.89x = 273,847.85 × 107,792.83
  4. Step 4: Simplify right side
    198,436.89x = 29,518,834,740.92
  5. Step 5: Solve for x
    x = 29,518,834,740.92/198,436.89
  6. Step 6: Final answer
    x = 148,756.79

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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.