Home / 259,566.31-389,362.22-126,560.26

Finding the Fourth Proportional to 259,566.31, 389,362.22 and 126,560.26

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Solution

The fourth proportional to 259,566.31, 389,362.22 and 126,560.26 is: 189,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,566.31 : 389,362.22 = 126,560.26 : x
  2. Step 2: Convert to fraction form
    259,566.31/389,362.22 = 126,560.26/x
  3. Step 3: Cross multiply
    259,566.31x = 389,362.22 × 126,560.26
  4. Step 4: Simplify right side
    259,566.31x = 49,277,783,797.38
  5. Step 5: Solve for x
    x = 49,277,783,797.38/259,566.31
  6. Step 6: Final answer
    x = 189,846.61

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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.