Home / 168,007.18-231,843-91,524.75

Finding the Fourth Proportional to 168,007.18, 231,843 and 91,524.75

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Solution

The fourth proportional to 168,007.18, 231,843 and 91,524.75 is: 126,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,007.18 : 231,843 = 91,524.75 : x
  2. Step 2: Convert to fraction form
    168,007.18/231,843 = 91,524.75/x
  3. Step 3: Cross multiply
    168,007.18x = 231,843 × 91,524.75
  4. Step 4: Simplify right side
    168,007.18x = 21,219,372,614.25
  5. Step 5: Solve for x
    x = 21,219,372,614.25/168,007.18
  6. Step 6: Final answer
    x = 126,300.39

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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.