Home / 167,738.82-231,441.58-122,441.50

Finding the Fourth Proportional to 167,738.82, 231,441.58 and 122,441.50

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Solution

The fourth proportional to 167,738.82, 231,441.58 and 122,441.50 is: 168,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,738.82 : 231,441.58 = 122,441.50 : x
  2. Step 2: Convert to fraction form
    167,738.82/231,441.58 = 122,441.50/x
  3. Step 3: Cross multiply
    167,738.82x = 231,441.58 × 122,441.50
  4. Step 4: Simplify right side
    167,738.82x = 28,338,054,217.57
  5. Step 5: Solve for x
    x = 28,338,054,217.57/167,738.82
  6. Step 6: Final answer
    x = 168,941.54

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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.