Home / 168,098.94-231,970.62-91,616.46

Finding the Fourth Proportional to 168,098.94, 231,970.62 and 91,616.46

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Solution

The fourth proportional to 168,098.94, 231,970.62 and 91,616.46 is: 126,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,098.94 : 231,970.62 = 91,616.46 : x
  2. Step 2: Convert to fraction form
    168,098.94/231,970.62 = 91,616.46/x
  3. Step 3: Cross multiply
    168,098.94x = 231,970.62 × 91,616.46
  4. Step 4: Simplify right side
    168,098.94x = 21,252,327,028.41
  5. Step 5: Solve for x
    x = 21,252,327,028.41/168,098.94
  6. Step 6: Final answer
    x = 126,427.49

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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.