Home / 144,010.27-198,734.75-80,350.75

Finding the Fourth Proportional to 144,010.27, 198,734.75 and 80,350.75

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Solution

The fourth proportional to 144,010.27, 198,734.75 and 80,350.75 is: 110,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010.27 : 198,734.75 = 80,350.75 : x
  2. Step 2: Convert to fraction form
    144,010.27/198,734.75 = 80,350.75/x
  3. Step 3: Cross multiply
    144,010.27x = 198,734.75 × 80,350.75
  4. Step 4: Simplify right side
    144,010.27x = 15,968,486,213.56
  5. Step 5: Solve for x
    x = 15,968,486,213.56/144,010.27
  6. Step 6: Final answer
    x = 110,884.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.