Home / 263,114.10-394,674.75-85,622.04

Finding the Fourth Proportional to 263,114.10, 394,674.75 and 85,622.04

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Solution

The fourth proportional to 263,114.10, 394,674.75 and 85,622.04 is: 128,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,114.10 : 394,674.75 = 85,622.04 : x
  2. Step 2: Convert to fraction form
    263,114.10/394,674.75 = 85,622.04/x
  3. Step 3: Cross multiply
    263,114.10x = 394,674.75 × 85,622.04
  4. Step 4: Simplify right side
    263,114.10x = 33,792,857,231.49
  5. Step 5: Solve for x
    x = 33,792,857,231.49/263,114.10
  6. Step 6: Final answer
    x = 128,434.23

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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.