Home / 129,984.20-194,976.30-106,364.60

Finding the Fourth Proportional to 129,984.20, 194,976.30 and 106,364.60

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Solution

The fourth proportional to 129,984.20, 194,976.30 and 106,364.60 is: 159,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.20 : 194,976.30 = 106,364.60 : x
  2. Step 2: Convert to fraction form
    129,984.20/194,976.30 = 106,364.60/x
  3. Step 3: Cross multiply
    129,984.20x = 194,976.30 × 106,364.60
  4. Step 4: Simplify right side
    129,984.20x = 20,738,576,158.98
  5. Step 5: Solve for x
    x = 20,738,576,158.98/129,984.20
  6. Step 6: Final answer
    x = 159,546.90

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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.