Home / 198,949.12-298,426.77-110,763.14

Finding the Fourth Proportional to 198,949.12, 298,426.77 and 110,763.14

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Solution

The fourth proportional to 198,949.12, 298,426.77 and 110,763.14 is: 166,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,949.12 : 298,426.77 = 110,763.14 : x
  2. Step 2: Convert to fraction form
    198,949.12/298,426.77 = 110,763.14/x
  3. Step 3: Cross multiply
    198,949.12x = 298,426.77 × 110,763.14
  4. Step 4: Simplify right side
    198,949.12x = 33,054,684,613.12
  5. Step 5: Solve for x
    x = 33,054,684,613.12/198,949.12
  6. Step 6: Final answer
    x = 166,146.42

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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.