Home / 198,930.34-298,395.51-65,774.85

Finding the Fourth Proportional to 198,930.34, 298,395.51 and 65,774.85

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Solution

The fourth proportional to 198,930.34, 298,395.51 and 65,774.85 is: 98,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,930.34 : 298,395.51 = 65,774.85 : x
  2. Step 2: Convert to fraction form
    198,930.34/298,395.51 = 65,774.85/x
  3. Step 3: Cross multiply
    198,930.34x = 298,395.51 × 65,774.85
  4. Step 4: Simplify right side
    198,930.34x = 19,626,919,910.92
  5. Step 5: Solve for x
    x = 19,626,919,910.92/198,930.34
  6. Step 6: Final answer
    x = 98,662.28

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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.