Home / 259,501.02-389,218.05-82,025.97

Finding the Fourth Proportional to 259,501.02, 389,218.05 and 82,025.97

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Solution

The fourth proportional to 259,501.02, 389,218.05 and 82,025.97 is: 123,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,501.02 : 389,218.05 = 82,025.97 : x
  2. Step 2: Convert to fraction form
    259,501.02/389,218.05 = 82,025.97/x
  3. Step 3: Cross multiply
    259,501.02x = 389,218.05 × 82,025.97
  4. Step 4: Simplify right side
    259,501.02x = 31,925,988,092.76
  5. Step 5: Solve for x
    x = 31,925,988,092.76/259,501.02
  6. Step 6: Final answer
    x = 123,028.37

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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.