Home / 259,619.14-389,033.43-192,745.54

Finding the Fourth Proportional to 259,619.14, 389,033.43 and 192,745.54

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Solution

The fourth proportional to 259,619.14, 389,033.43 and 192,745.54 is: 288,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,619.14 : 389,033.43 = 192,745.54 : x
  2. Step 2: Convert to fraction form
    259,619.14/389,033.43 = 192,745.54/x
  3. Step 3: Cross multiply
    259,619.14x = 389,033.43 × 192,745.54
  4. Step 4: Simplify right side
    259,619.14x = 74,984,458,543.40
  5. Step 5: Solve for x
    x = 74,984,458,543.40/259,619.14
  6. Step 6: Final answer
    x = 288,824.85

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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.