Home / 263,457.20-394,732.20-122,927.60

Finding the Fourth Proportional to 263,457.20, 394,732.20 and 122,927.60

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Solution

The fourth proportional to 263,457.20, 394,732.20 and 122,927.60 is: 184,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,457.20 : 394,732.20 = 122,927.60 : x
  2. Step 2: Convert to fraction form
    263,457.20/394,732.20 = 122,927.60/x
  3. Step 3: Cross multiply
    263,457.20x = 394,732.20 × 122,927.60
  4. Step 4: Simplify right side
    263,457.20x = 48,523,481,988.72
  5. Step 5: Solve for x
    x = 48,523,481,988.72/263,457.20
  6. Step 6: Final answer
    x = 184,179.75

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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.