Home / 198,799.23-298,257.62-114,619.78

Finding the Fourth Proportional to 198,799.23, 298,257.62 and 114,619.78

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Solution

The fourth proportional to 198,799.23, 298,257.62 and 114,619.78 is: 171,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,799.23 : 298,257.62 = 114,619.78 : x
  2. Step 2: Convert to fraction form
    198,799.23/298,257.62 = 114,619.78/x
  3. Step 3: Cross multiply
    198,799.23x = 298,257.62 × 114,619.78
  4. Step 4: Simplify right side
    198,799.23x = 34,186,222,787.72
  5. Step 5: Solve for x
    x = 34,186,222,787.72/198,799.23
  6. Step 6: Final answer
    x = 171,963.56

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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.