Home / 198,956.25-273,951.59-149,969.05

Finding the Fourth Proportional to 198,956.25, 273,951.59 and 149,969.05

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Solution

The fourth proportional to 198,956.25, 273,951.59 and 149,969.05 is: 206,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,956.25 : 273,951.59 = 149,969.05 : x
  2. Step 2: Convert to fraction form
    198,956.25/273,951.59 = 149,969.05/x
  3. Step 3: Cross multiply
    198,956.25x = 273,951.59 × 149,969.05
  4. Step 4: Simplify right side
    198,956.25x = 41,084,258,263.57
  5. Step 5: Solve for x
    x = 41,084,258,263.57/198,956.25
  6. Step 6: Final answer
    x = 206,498.96

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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.