Home / 198,140.22-297,326.96-73,568.70

Finding the Fourth Proportional to 198,140.22, 297,326.96 and 73,568.70

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Solution

The fourth proportional to 198,140.22, 297,326.96 and 73,568.70 is: 110,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,140.22 : 297,326.96 = 73,568.70 : x
  2. Step 2: Convert to fraction form
    198,140.22/297,326.96 = 73,568.70/x
  3. Step 3: Cross multiply
    198,140.22x = 297,326.96 × 73,568.70
  4. Step 4: Simplify right side
    198,140.22x = 21,873,957,922.15
  5. Step 5: Solve for x
    x = 21,873,957,922.15/198,140.22
  6. Step 6: Final answer
    x = 110,396.35

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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.