Home / 167,669.60-231,385.01-91,189.60

Finding the Fourth Proportional to 167,669.60, 231,385.01 and 91,189.60

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Solution

The fourth proportional to 167,669.60, 231,385.01 and 91,189.60 is: 125,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,669.60 : 231,385.01 = 91,189.60 : x
  2. Step 2: Convert to fraction form
    167,669.60/231,385.01 = 91,189.60/x
  3. Step 3: Cross multiply
    167,669.60x = 231,385.01 × 91,189.60
  4. Step 4: Simplify right side
    167,669.60x = 21,099,905,473.49
  5. Step 5: Solve for x
    x = 21,099,905,473.49/167,669.60
  6. Step 6: Final answer
    x = 125,842.17

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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.