Home / 198,480.23-298,103.30-170,081.56

Finding the Fourth Proportional to 198,480.23, 298,103.30 and 170,081.56

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Solution

The fourth proportional to 198,480.23, 298,103.30 and 170,081.56 is: 255,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,480.23 : 298,103.30 = 170,081.56 : x
  2. Step 2: Convert to fraction form
    198,480.23/298,103.30 = 170,081.56/x
  3. Step 3: Cross multiply
    198,480.23x = 298,103.30 × 170,081.56
  4. Step 4: Simplify right side
    198,480.23x = 50,701,871,964.22
  5. Step 5: Solve for x
    x = 50,701,871,964.22/198,480.23
  6. Step 6: Final answer
    x = 255,450.50

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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.