Home / 198,915.28-298,372.92-58,662.97

Finding the Fourth Proportional to 198,915.28, 298,372.92 and 58,662.97

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Solution

The fourth proportional to 198,915.28, 298,372.92 and 58,662.97 is: 87,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915.28 : 298,372.92 = 58,662.97 : x
  2. Step 2: Convert to fraction form
    198,915.28/298,372.92 = 58,662.97/x
  3. Step 3: Cross multiply
    198,915.28x = 298,372.92 × 58,662.97
  4. Step 4: Simplify right side
    198,915.28x = 17,503,441,654.77
  5. Step 5: Solve for x
    x = 17,503,441,654.77/198,915.28
  6. Step 6: Final answer
    x = 87,994.46

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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.