Home / 167,849.36-231,624.88-91,368.56

Finding the Fourth Proportional to 167,849.36, 231,624.88 and 91,368.56

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Solution

The fourth proportional to 167,849.36, 231,624.88 and 91,368.56 is: 126,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,849.36 : 231,624.88 = 91,368.56 : x
  2. Step 2: Convert to fraction form
    167,849.36/231,624.88 = 91,368.56/x
  3. Step 3: Cross multiply
    167,849.36x = 231,624.88 × 91,368.56
  4. Step 4: Simplify right side
    167,849.36x = 21,163,231,745.77
  5. Step 5: Solve for x
    x = 21,163,231,745.77/167,849.36
  6. Step 6: Final answer
    x = 126,084.67

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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.