Home / 259,550.49-389,323.28-82,057.48

Finding the Fourth Proportional to 259,550.49, 389,323.28 and 82,057.48

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Solution

The fourth proportional to 259,550.49, 389,323.28 and 82,057.48 is: 123,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,550.49 : 389,323.28 = 82,057.48 : x
  2. Step 2: Convert to fraction form
    259,550.49/389,323.28 = 82,057.48/x
  3. Step 3: Cross multiply
    259,550.49x = 389,323.28 × 82,057.48
  4. Step 4: Simplify right side
    259,550.49x = 31,946,886,851.85
  5. Step 5: Solve for x
    x = 31,946,886,851.85/259,550.49
  6. Step 6: Final answer
    x = 123,085.44

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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.