Home / 259,501.27-389,218.42-82,026.22

Finding the Fourth Proportional to 259,501.27, 389,218.42 and 82,026.22

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Solution

The fourth proportional to 259,501.27, 389,218.42 and 82,026.22 is: 123,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,501.27 : 389,218.42 = 82,026.22 : x
  2. Step 2: Convert to fraction form
    259,501.27/389,218.42 = 82,026.22/x
  3. Step 3: Cross multiply
    259,501.27x = 389,218.42 × 82,026.22
  4. Step 4: Simplify right side
    259,501.27x = 31,926,115,746.97
  5. Step 5: Solve for x
    x = 31,926,115,746.97/259,501.27
  6. Step 6: Final answer
    x = 123,028.75

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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.