Home / 129,747.10-194,626.73-41,007.55

Finding the Fourth Proportional to 129,747.10, 194,626.73 and 41,007.55

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Solution

The fourth proportional to 129,747.10, 194,626.73 and 41,007.55 is: 61,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,747.10 : 194,626.73 = 41,007.55 : x
  2. Step 2: Convert to fraction form
    129,747.10/194,626.73 = 41,007.55/x
  3. Step 3: Cross multiply
    129,747.10x = 194,626.73 × 41,007.55
  4. Step 4: Simplify right side
    129,747.10x = 7,981,165,361.81
  5. Step 5: Solve for x
    x = 7,981,165,361.81/129,747.10
  6. Step 6: Final answer
    x = 61,513.25

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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.