Home / 167,857.79-231,643.75-91,377.44

Finding the Fourth Proportional to 167,857.79, 231,643.75 and 91,377.44

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Solution

The fourth proportional to 167,857.79, 231,643.75 and 91,377.44 is: 126,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,857.79 : 231,643.75 = 91,377.44 : x
  2. Step 2: Convert to fraction form
    167,857.79/231,643.75 = 91,377.44/x
  3. Step 3: Cross multiply
    167,857.79x = 231,643.75 × 91,377.44
  4. Step 4: Simplify right side
    167,857.79x = 21,167,012,783.33
  5. Step 5: Solve for x
    x = 21,167,012,783.33/167,857.79
  6. Step 6: Final answer
    x = 126,100.86

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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.