Home / 129,845.72-194,651.04-50,938.76

Finding the Fourth Proportional to 129,845.72, 194,651.04 and 50,938.76

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Solution

The fourth proportional to 129,845.72, 194,651.04 and 50,938.76 is: 76,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.72 : 194,651.04 = 50,938.76 : x
  2. Step 2: Convert to fraction form
    129,845.72/194,651.04 = 50,938.76/x
  3. Step 3: Cross multiply
    129,845.72x = 194,651.04 × 50,938.76
  4. Step 4: Simplify right side
    129,845.72x = 9,915,282,610.31
  5. Step 5: Solve for x
    x = 9,915,282,610.31/129,845.72
  6. Step 6: Final answer
    x = 76,362.03

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1.5x scale

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.