Home / 198,546.93-297,968.01-80,219.29

Finding the Fourth Proportional to 198,546.93, 297,968.01 and 80,219.29

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Solution

The fourth proportional to 198,546.93, 297,968.01 and 80,219.29 is: 120,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,546.93 : 297,968.01 = 80,219.29 : x
  2. Step 2: Convert to fraction form
    198,546.93/297,968.01 = 80,219.29/x
  3. Step 3: Cross multiply
    198,546.93x = 297,968.01 × 80,219.29
  4. Step 4: Simplify right side
    198,546.93x = 23,902,782,204.91
  5. Step 5: Solve for x
    x = 23,902,782,204.91/198,546.93
  6. Step 6: Final answer
    x = 120,388.58

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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.