Home / 259,559.24-389,336.36-82,066.23

Finding the Fourth Proportional to 259,559.24, 389,336.36 and 82,066.23

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Solution

The fourth proportional to 259,559.24, 389,336.36 and 82,066.23 is: 123,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,559.24 : 389,336.36 = 82,066.23 : x
  2. Step 2: Convert to fraction form
    259,559.24/389,336.36 = 82,066.23/x
  3. Step 3: Cross multiply
    259,559.24x = 389,336.36 × 82,066.23
  4. Step 4: Simplify right side
    259,559.24x = 31,951,366,856.79
  5. Step 5: Solve for x
    x = 31,951,366,856.79/259,559.24
  6. Step 6: Final answer
    x = 123,098.56

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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.