Home / 167,866.05-231,648.02-91,383.55

Finding the Fourth Proportional to 167,866.05, 231,648.02 and 91,383.55

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Solution

The fourth proportional to 167,866.05, 231,648.02 and 91,383.55 is: 126,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,866.05 : 231,648.02 = 91,383.55 : x
  2. Step 2: Convert to fraction form
    167,866.05/231,648.02 = 91,383.55/x
  3. Step 3: Cross multiply
    167,866.05x = 231,648.02 × 91,383.55
  4. Step 4: Simplify right side
    167,866.05x = 21,168,817,610.49
  5. Step 5: Solve for x
    x = 21,168,817,610.49/167,866.05
  6. Step 6: Final answer
    x = 126,105.41

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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.