Home / 263,100.14-394,492.36-120,767.34

Finding the Fourth Proportional to 263,100.14, 394,492.36 and 120,767.34

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Solution

The fourth proportional to 263,100.14, 394,492.36 and 120,767.34 is: 181,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,100.14 : 394,492.36 = 120,767.34 : x
  2. Step 2: Convert to fraction form
    263,100.14/394,492.36 = 120,767.34/x
  3. Step 3: Cross multiply
    263,100.14x = 394,492.36 × 120,767.34
  4. Step 4: Simplify right side
    263,100.14x = 47,641,792,967.52
  5. Step 5: Solve for x
    x = 47,641,792,967.52/263,100.14
  6. Step 6: Final answer
    x = 181,078.55

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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.