Home / 259,846.18-389,780.24-82,349.26

Finding the Fourth Proportional to 259,846.18, 389,780.24 and 82,349.26

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Solution

The fourth proportional to 259,846.18, 389,780.24 and 82,349.26 is: 123,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,846.18 : 389,780.24 = 82,349.26 : x
  2. Step 2: Convert to fraction form
    259,846.18/389,780.24 = 82,349.26/x
  3. Step 3: Cross multiply
    259,846.18x = 389,780.24 × 82,349.26
  4. Step 4: Simplify right side
    259,846.18x = 32,098,112,940.43
  5. Step 5: Solve for x
    x = 32,098,112,940.43/259,846.18
  6. Step 6: Final answer
    x = 123,527.36

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1.5x scale

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.