Home / 198,959.68-298,570.74-93,789.28

Finding the Fourth Proportional to 198,959.68, 298,570.74 and 93,789.28

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Solution

The fourth proportional to 198,959.68, 298,570.74 and 93,789.28 is: 140,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,959.68 : 298,570.74 = 93,789.28 : x
  2. Step 2: Convert to fraction form
    198,959.68/298,570.74 = 93,789.28/x
  3. Step 3: Cross multiply
    198,959.68x = 298,570.74 × 93,789.28
  4. Step 4: Simplify right side
    198,959.68x = 28,002,734,733.67
  5. Step 5: Solve for x
    x = 28,002,734,733.67/198,959.68
  6. Step 6: Final answer
    x = 140,745.78

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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.