Home / 263,066.88-394,638.39-83,091.36

Finding the Fourth Proportional to 263,066.88, 394,638.39 and 83,091.36

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Solution

The fourth proportional to 263,066.88, 394,638.39 and 83,091.36 is: 124,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,066.88 : 394,638.39 = 83,091.36 : x
  2. Step 2: Convert to fraction form
    263,066.88/394,638.39 = 83,091.36/x
  3. Step 3: Cross multiply
    263,066.88x = 394,638.39 × 83,091.36
  4. Step 4: Simplify right side
    263,066.88x = 32,791,040,533.31
  5. Step 5: Solve for x
    x = 32,791,040,533.31/263,066.88
  6. Step 6: Final answer
    x = 124,649.06

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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.