Home / 129,618.01-194,467.11-54,771.58

Finding the Fourth Proportional to 129,618.01, 194,467.11 and 54,771.58

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Solution

The fourth proportional to 129,618.01, 194,467.11 and 54,771.58 is: 82,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,618.01 : 194,467.11 = 54,771.58 : x
  2. Step 2: Convert to fraction form
    129,618.01/194,467.11 = 54,771.58/x
  3. Step 3: Cross multiply
    129,618.01x = 194,467.11 × 54,771.58
  4. Step 4: Simplify right side
    129,618.01x = 10,651,270,872.73
  5. Step 5: Solve for x
    x = 10,651,270,872.73/129,618.01
  6. Step 6: Final answer
    x = 82,174.31

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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.