Home / 167,839.42-231,624.51-91,354.81

Finding the Fourth Proportional to 167,839.42, 231,624.51 and 91,354.81

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Solution

The fourth proportional to 167,839.42, 231,624.51 and 91,354.81 is: 126,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,839.42 : 231,624.51 = 91,354.81 : x
  2. Step 2: Convert to fraction form
    167,839.42/231,624.51 = 91,354.81/x
  3. Step 3: Cross multiply
    167,839.42x = 231,624.51 × 91,354.81
  4. Step 4: Simplify right side
    167,839.42x = 21,160,013,102.39
  5. Step 5: Solve for x
    x = 21,160,013,102.39/167,839.42
  6. Step 6: Final answer
    x = 126,072.96

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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.