Home / 168,113.82-231,995.55-91,632.90

Finding the Fourth Proportional to 168,113.82, 231,995.55 and 91,632.90

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Solution

The fourth proportional to 168,113.82, 231,995.55 and 91,632.90 is: 126,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,113.82 : 231,995.55 = 91,632.90 : x
  2. Step 2: Convert to fraction form
    168,113.82/231,995.55 = 91,632.90/x
  3. Step 3: Cross multiply
    168,113.82x = 231,995.55 × 91,632.90
  4. Step 4: Simplify right side
    168,113.82x = 21,258,425,033.60
  5. Step 5: Solve for x
    x = 21,258,425,033.60/168,113.82
  6. Step 6: Final answer
    x = 126,452.57

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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.