Home / 168,066.43-231,928.62-91,586.16

Finding the Fourth Proportional to 168,066.43, 231,928.62 and 91,586.16

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Solution

The fourth proportional to 168,066.43, 231,928.62 and 91,586.16 is: 126,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,066.43 : 231,928.62 = 91,586.16 : x
  2. Step 2: Convert to fraction form
    168,066.43/231,928.62 = 91,586.16/x
  3. Step 3: Cross multiply
    168,066.43x = 231,928.62 × 91,586.16
  4. Step 4: Simplify right side
    168,066.43x = 21,241,451,356.45
  5. Step 5: Solve for x
    x = 21,241,451,356.45/168,066.43
  6. Step 6: Final answer
    x = 126,387.24

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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.