Home / 129,912.48-194,834.30-51,027.39

Finding the Fourth Proportional to 129,912.48, 194,834.30 and 51,027.39

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Solution

The fourth proportional to 129,912.48, 194,834.30 and 51,027.39 is: 76,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,912.48 : 194,834.30 = 51,027.39 : x
  2. Step 2: Convert to fraction form
    129,912.48/194,834.30 = 51,027.39/x
  3. Step 3: Cross multiply
    129,912.48x = 194,834.30 × 51,027.39
  4. Step 4: Simplify right side
    129,912.48x = 9,941,885,556.34
  5. Step 5: Solve for x
    x = 9,941,885,556.34/129,912.48
  6. Step 6: Final answer
    x = 76,527.56

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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.