Home / 168,203.15-232,116.13-91,723.72

Finding the Fourth Proportional to 168,203.15, 232,116.13 and 91,723.72

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Solution

The fourth proportional to 168,203.15, 232,116.13 and 91,723.72 is: 126,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,203.15 : 232,116.13 = 91,723.72 : x
  2. Step 2: Convert to fraction form
    168,203.15/232,116.13 = 91,723.72/x
  3. Step 3: Cross multiply
    168,203.15x = 232,116.13 × 91,723.72
  4. Step 4: Simplify right side
    168,203.15x = 21,290,555,257.01
  5. Step 5: Solve for x
    x = 21,290,555,257.01/168,203.15
  6. Step 6: Final answer
    x = 126,576.43

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1.5x scale

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.