Home / 167,431.94-231,116.73-110,861.54

Finding the Fourth Proportional to 167,431.94, 231,116.73 and 110,861.54

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Solution

The fourth proportional to 167,431.94, 231,116.73 and 110,861.54 is: 153,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,431.94 : 231,116.73 = 110,861.54 : x
  2. Step 2: Convert to fraction form
    167,431.94/231,116.73 = 110,861.54/x
  3. Step 3: Cross multiply
    167,431.94x = 231,116.73 × 110,861.54
  4. Step 4: Simplify right side
    167,431.94x = 25,621,956,607.56
  5. Step 5: Solve for x
    x = 25,621,956,607.56/167,431.94
  6. Step 6: Final answer
    x = 153,029.09

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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.