Home / 198,679.38-298,094.25-92,114.39

Finding the Fourth Proportional to 198,679.38, 298,094.25 and 92,114.39

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Solution

The fourth proportional to 198,679.38, 298,094.25 and 92,114.39 is: 138,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,679.38 : 298,094.25 = 92,114.39 : x
  2. Step 2: Convert to fraction form
    198,679.38/298,094.25 = 92,114.39/x
  3. Step 3: Cross multiply
    198,679.38x = 298,094.25 × 92,114.39
  4. Step 4: Simplify right side
    198,679.38x = 27,458,769,994.46
  5. Step 5: Solve for x
    x = 27,458,769,994.46/198,679.38
  6. Step 6: Final answer
    x = 138,206.44

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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.