Home / 198,900.61-298,350.92-163,766.45

Finding the Fourth Proportional to 198,900.61, 298,350.92 and 163,766.45

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Solution

The fourth proportional to 198,900.61, 298,350.92 and 163,766.45 is: 245,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,900.61 : 298,350.92 = 163,766.45 : x
  2. Step 2: Convert to fraction form
    198,900.61/298,350.92 = 163,766.45/x
  3. Step 3: Cross multiply
    198,900.61x = 298,350.92 × 163,766.45
  4. Step 4: Simplify right side
    198,900.61x = 48,859,872,177.93
  5. Step 5: Solve for x
    x = 48,859,872,177.93/198,900.61
  6. Step 6: Final answer
    x = 245,649.69

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1.5x scale

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.