Home / 129,747.14-194,619.52-41,000.64

Finding the Fourth Proportional to 129,747.14, 194,619.52 and 41,000.64

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Solution

The fourth proportional to 129,747.14, 194,619.52 and 41,000.64 is: 61,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,747.14 : 194,619.52 = 41,000.64 : x
  2. Step 2: Convert to fraction form
    129,747.14/194,619.52 = 41,000.64/x
  3. Step 3: Cross multiply
    129,747.14x = 194,619.52 × 41,000.64
  4. Step 4: Simplify right side
    129,747.14x = 7,979,524,876.49
  5. Step 5: Solve for x
    x = 7,979,524,876.49/129,747.14
  6. Step 6: Final answer
    x = 61,500.58

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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.