Home / 129,771.96-194,767.38-50,941.56

Finding the Fourth Proportional to 129,771.96, 194,767.38 and 50,941.56

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Solution

The fourth proportional to 129,771.96, 194,767.38 and 50,941.56 is: 76,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,771.96 : 194,767.38 = 50,941.56 : x
  2. Step 2: Convert to fraction form
    129,771.96/194,767.38 = 50,941.56/x
  3. Step 3: Cross multiply
    129,771.96x = 194,767.38 × 50,941.56
  4. Step 4: Simplify right side
    129,771.96x = 9,921,754,174.31
  5. Step 5: Solve for x
    x = 9,921,754,174.31/129,771.96
  6. Step 6: Final answer
    x = 76,455.30

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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.