Home / 263,150.40-394,725.12-76,161.60

Finding the Fourth Proportional to 263,150.40, 394,725.12 and 76,161.60

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Solution

The fourth proportional to 263,150.40, 394,725.12 and 76,161.60 is: 114,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,150.40 : 394,725.12 = 76,161.60 : x
  2. Step 2: Convert to fraction form
    263,150.40/394,725.12 = 76,161.60/x
  3. Step 3: Cross multiply
    263,150.40x = 394,725.12 × 76,161.60
  4. Step 4: Simplify right side
    263,150.40x = 30,062,896,699.39
  5. Step 5: Solve for x
    x = 30,062,896,699.39/263,150.40
  6. Step 6: Final answer
    x = 114,242.26

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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.