Home / 198,885.42-298,328.13-163,751.27

Finding the Fourth Proportional to 198,885.42, 298,328.13 and 163,751.27

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Solution

The fourth proportional to 198,885.42, 298,328.13 and 163,751.27 is: 245,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,885.42 : 298,328.13 = 163,751.27 : x
  2. Step 2: Convert to fraction form
    198,885.42/298,328.13 = 163,751.27/x
  3. Step 3: Cross multiply
    198,885.42x = 298,328.13 × 163,751.27
  4. Step 4: Simplify right side
    198,885.42x = 48,851,608,672.58
  5. Step 5: Solve for x
    x = 48,851,608,672.58/198,885.42
  6. Step 6: Final answer
    x = 245,626.90

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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.