Home / 129,520.14-194,164.95-50,616.42

Finding the Fourth Proportional to 129,520.14, 194,164.95 and 50,616.42

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Solution

The fourth proportional to 129,520.14, 194,164.95 and 50,616.42 is: 75,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,520.14 : 194,164.95 = 50,616.42 : x
  2. Step 2: Convert to fraction form
    129,520.14/194,164.95 = 50,616.42/x
  3. Step 3: Cross multiply
    129,520.14x = 194,164.95 × 50,616.42
  4. Step 4: Simplify right side
    129,520.14x = 9,827,934,658.48
  5. Step 5: Solve for x
    x = 9,827,934,658.48/129,520.14
  6. Step 6: Final answer
    x = 75,879.59

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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.