Home / 167,840.16-231,625.28-91,365.55

Finding the Fourth Proportional to 167,840.16, 231,625.28 and 91,365.55

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Solution

The fourth proportional to 167,840.16, 231,625.28 and 91,365.55 is: 126,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,840.16 : 231,625.28 = 91,365.55 : x
  2. Step 2: Convert to fraction form
    167,840.16/231,625.28 = 91,365.55/x
  3. Step 3: Cross multiply
    167,840.16x = 231,625.28 × 91,365.55
  4. Step 4: Simplify right side
    167,840.16x = 21,162,571,101.10
  5. Step 5: Solve for x
    x = 21,162,571,101.10/167,840.16
  6. Step 6: Final answer
    x = 126,087.65

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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.