Home / 259,996.97-389,709.23-170,002.58

Finding the Fourth Proportional to 259,996.97, 389,709.23 and 170,002.58

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Solution

The fourth proportional to 259,996.97, 389,709.23 and 170,002.58 is: 254,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,996.97 : 389,709.23 = 170,002.58 : x
  2. Step 2: Convert to fraction form
    259,996.97/389,709.23 = 170,002.58/x
  3. Step 3: Cross multiply
    259,996.97x = 389,709.23 × 170,002.58
  4. Step 4: Simplify right side
    259,996.97x = 66,251,571,751.25
  5. Step 5: Solve for x
    x = 66,251,571,751.25/259,996.97
  6. Step 6: Final answer
    x = 254,816.70

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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.