Home / 198,754.56-298,204.74-92,189.34

Finding the Fourth Proportional to 198,754.56, 298,204.74 and 92,189.34

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Solution

The fourth proportional to 198,754.56, 298,204.74 and 92,189.34 is: 138,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,754.56 : 298,204.74 = 92,189.34 : x
  2. Step 2: Convert to fraction form
    198,754.56/298,204.74 = 92,189.34/x
  3. Step 3: Cross multiply
    198,754.56x = 298,204.74 × 92,189.34
  4. Step 4: Simplify right side
    198,754.56x = 27,491,298,165.47
  5. Step 5: Solve for x
    x = 27,491,298,165.47/198,754.56
  6. Step 6: Final answer
    x = 138,317.82

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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.