Home / 259,169.06-388,593.21-101,211.77

Finding the Fourth Proportional to 259,169.06, 388,593.21 and 101,211.77

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Solution

The fourth proportional to 259,169.06, 388,593.21 and 101,211.77 is: 151,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,169.06 : 388,593.21 = 101,211.77 : x
  2. Step 2: Convert to fraction form
    259,169.06/388,593.21 = 101,211.77/x
  3. Step 3: Cross multiply
    259,169.06x = 388,593.21 × 101,211.77
  4. Step 4: Simplify right side
    259,169.06x = 39,330,207,565.56
  5. Step 5: Solve for x
    x = 39,330,207,565.56/259,169.06
  6. Step 6: Final answer
    x = 151,755.03

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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.