Home / 231,771.33-347,881.68-111,912.75

Finding the Fourth Proportional to 231,771.33, 347,881.68 and 111,912.75

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Solution

The fourth proportional to 231,771.33, 347,881.68 and 111,912.75 is: 167,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,771.33 : 347,881.68 = 111,912.75 : x
  2. Step 2: Convert to fraction form
    231,771.33/347,881.68 = 111,912.75/x
  3. Step 3: Cross multiply
    231,771.33x = 347,881.68 × 111,912.75
  4. Step 4: Simplify right side
    231,771.33x = 38,932,395,483.42
  5. Step 5: Solve for x
    x = 38,932,395,483.42/231,771.33
  6. Step 6: Final answer
    x = 167,977.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.