Home / 198,760.56-298,140.84-136,241.52

Finding the Fourth Proportional to 198,760.56, 298,140.84 and 136,241.52

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Solution

The fourth proportional to 198,760.56, 298,140.84 and 136,241.52 is: 204,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,760.56 : 298,140.84 = 136,241.52 : x
  2. Step 2: Convert to fraction form
    198,760.56/298,140.84 = 136,241.52/x
  3. Step 3: Cross multiply
    198,760.56x = 298,140.84 × 136,241.52
  4. Step 4: Simplify right side
    198,760.56x = 40,619,161,215.68
  5. Step 5: Solve for x
    x = 40,619,161,215.68/198,760.56
  6. Step 6: Final answer
    x = 204,362.28

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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.