Home / 129,968.01-194,912.33-55,086.75

Finding the Fourth Proportional to 129,968.01, 194,912.33 and 55,086.75

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Solution

The fourth proportional to 129,968.01, 194,912.33 and 55,086.75 is: 82,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.01 : 194,912.33 = 55,086.75 : x
  2. Step 2: Convert to fraction form
    129,968.01/194,912.33 = 55,086.75/x
  3. Step 3: Cross multiply
    129,968.01x = 194,912.33 × 55,086.75
  4. Step 4: Simplify right side
    129,968.01x = 10,737,086,519.19
  5. Step 5: Solve for x
    x = 10,737,086,519.19/129,968.01
  6. Step 6: Final answer
    x = 82,613.30

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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.