Home / 126,231.32-174,198.38-69,642.56

Finding the Fourth Proportional to 126,231.32, 174,198.38 and 69,642.56

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Solution

The fourth proportional to 126,231.32, 174,198.38 and 69,642.56 is: 96,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,231.32 : 174,198.38 = 69,642.56 : x
  2. Step 2: Convert to fraction form
    126,231.32/174,198.38 = 69,642.56/x
  3. Step 3: Cross multiply
    126,231.32x = 174,198.38 × 69,642.56
  4. Step 4: Simplify right side
    126,231.32x = 12,131,621,131.05
  5. Step 5: Solve for x
    x = 12,131,621,131.05/126,231.32
  6. Step 6: Final answer
    x = 96,106.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.