Home / 198,164.22-297,260.46-79,836.18

Finding the Fourth Proportional to 198,164.22, 297,260.46 and 79,836.18

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Solution

The fourth proportional to 198,164.22, 297,260.46 and 79,836.18 is: 119,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,164.22 : 297,260.46 = 79,836.18 : x
  2. Step 2: Convert to fraction form
    198,164.22/297,260.46 = 79,836.18/x
  3. Step 3: Cross multiply
    198,164.22x = 297,260.46 × 79,836.18
  4. Step 4: Simplify right side
    198,164.22x = 23,732,139,591.44
  5. Step 5: Solve for x
    x = 23,732,139,591.44/198,164.22
  6. Step 6: Final answer
    x = 119,759.96

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1.5x scale

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.