Home / 198,960.68-298,572.24-93,790.28

Finding the Fourth Proportional to 198,960.68, 298,572.24 and 93,790.28

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Solution

The fourth proportional to 198,960.68, 298,572.24 and 93,790.28 is: 140,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,960.68 : 298,572.24 = 93,790.28 : x
  2. Step 2: Convert to fraction form
    198,960.68/298,572.24 = 93,790.28/x
  3. Step 3: Cross multiply
    198,960.68x = 298,572.24 × 93,790.28
  4. Step 4: Simplify right side
    198,960.68x = 28,003,173,989.83
  5. Step 5: Solve for x
    x = 28,003,173,989.83/198,960.68
  6. Step 6: Final answer
    x = 140,747.28

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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.