Home / 198,335.40-297,250.38-92,922.12

Finding the Fourth Proportional to 198,335.40, 297,250.38 and 92,922.12

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Solution

The fourth proportional to 198,335.40, 297,250.38 and 92,922.12 is: 139,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,335.40 : 297,250.38 = 92,922.12 : x
  2. Step 2: Convert to fraction form
    198,335.40/297,250.38 = 92,922.12/x
  3. Step 3: Cross multiply
    198,335.40x = 297,250.38 × 92,922.12
  4. Step 4: Simplify right side
    198,335.40x = 27,621,135,480.41
  5. Step 5: Solve for x
    x = 27,621,135,480.41/198,335.40
  6. Step 6: Final answer
    x = 139,264.78

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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.