Home / 129,652.72-194,401.24-50,672.84

Finding the Fourth Proportional to 129,652.72, 194,401.24 and 50,672.84

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Solution

The fourth proportional to 129,652.72, 194,401.24 and 50,672.84 is: 75,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,652.72 : 194,401.24 = 50,672.84 : x
  2. Step 2: Convert to fraction form
    129,652.72/194,401.24 = 50,672.84/x
  3. Step 3: Cross multiply
    129,652.72x = 194,401.24 × 50,672.84
  4. Step 4: Simplify right side
    129,652.72x = 9,850,862,930.32
  5. Step 5: Solve for x
    x = 9,850,862,930.32/129,652.72
  6. Step 6: Final answer
    x = 75,978.84

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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.