Home / 168,060.84-231,920.96-91,580.48

Finding the Fourth Proportional to 168,060.84, 231,920.96 and 91,580.48

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Solution

The fourth proportional to 168,060.84, 231,920.96 and 91,580.48 is: 126,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,060.84 : 231,920.96 = 91,580.48 : x
  2. Step 2: Convert to fraction form
    168,060.84/231,920.96 = 91,580.48/x
  3. Step 3: Cross multiply
    168,060.84x = 231,920.96 × 91,580.48
  4. Step 4: Simplify right side
    168,060.84x = 21,239,431,221.35
  5. Step 5: Solve for x
    x = 21,239,431,221.35/168,060.84
  6. Step 6: Final answer
    x = 126,379.42

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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.