Home / 198,726.88-298,139.04-163,248.16

Finding the Fourth Proportional to 198,726.88, 298,139.04 and 163,248.16

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Solution

The fourth proportional to 198,726.88, 298,139.04 and 163,248.16 is: 244,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,726.88 : 298,139.04 = 163,248.16 : x
  2. Step 2: Convert to fraction form
    198,726.88/298,139.04 = 163,248.16/x
  3. Step 3: Cross multiply
    198,726.88x = 298,139.04 × 163,248.16
  4. Step 4: Simplify right side
    198,726.88x = 48,670,649,704.17
  5. Step 5: Solve for x
    x = 48,670,649,704.17/198,726.88
  6. Step 6: Final answer
    x = 244,912.26

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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.