Home / 167,840.64-231,620.08-91,360.04

Finding the Fourth Proportional to 167,840.64, 231,620.08 and 91,360.04

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Solution

The fourth proportional to 167,840.64, 231,620.08 and 91,360.04 is: 126,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,840.64 : 231,620.08 = 91,360.04 : x
  2. Step 2: Convert to fraction form
    167,840.64/231,620.08 = 91,360.04/x
  3. Step 3: Cross multiply
    167,840.64x = 231,620.08 × 91,360.04
  4. Step 4: Simplify right side
    167,840.64x = 21,160,819,773.60
  5. Step 5: Solve for x
    x = 21,160,819,773.60/167,840.64
  6. Step 6: Final answer
    x = 126,076.85

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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.