Home / 259,887.44-389,517.20-126,567.92

Finding the Fourth Proportional to 259,887.44, 389,517.20 and 126,567.92

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Solution

The fourth proportional to 259,887.44, 389,517.20 and 126,567.92 is: 189,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,887.44 : 389,517.20 = 126,567.92 : x
  2. Step 2: Convert to fraction form
    259,887.44/389,517.20 = 126,567.92/x
  3. Step 3: Cross multiply
    259,887.44x = 389,517.20 × 126,567.92
  4. Step 4: Simplify right side
    259,887.44x = 49,300,381,808.22
  5. Step 5: Solve for x
    x = 49,300,381,808.22/259,887.44
  6. Step 6: Final answer
    x = 189,698.98

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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.