Home / 168,628.56-253,067.55-79,882.26

Finding the Fourth Proportional to 168,628.56, 253,067.55 and 79,882.26

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Solution

The fourth proportional to 168,628.56, 253,067.55 and 79,882.26 is: 119,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,628.56 : 253,067.55 = 79,882.26 : x
  2. Step 2: Convert to fraction form
    168,628.56/253,067.55 = 79,882.26/x
  3. Step 3: Cross multiply
    168,628.56x = 253,067.55 × 79,882.26
  4. Step 4: Simplify right side
    168,628.56x = 20,215,607,826.66
  5. Step 5: Solve for x
    x = 20,215,607,826.66/168,628.56
  6. Step 6: Final answer
    x = 119,882.47

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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.