Home / 168,078.70-231,945.51-91,598.41

Finding the Fourth Proportional to 168,078.70, 231,945.51 and 91,598.41

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Solution

The fourth proportional to 168,078.70, 231,945.51 and 91,598.41 is: 126,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,078.70 : 231,945.51 = 91,598.41 : x
  2. Step 2: Convert to fraction form
    168,078.70/231,945.51 = 91,598.41/x
  3. Step 3: Cross multiply
    168,078.70x = 231,945.51 × 91,598.41
  4. Step 4: Simplify right side
    168,078.70x = 21,245,839,922.64
  5. Step 5: Solve for x
    x = 21,245,839,922.64/168,078.70
  6. Step 6: Final answer
    x = 126,404.12

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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.