Home / 263,460.20-394,736.70-122,930.60

Finding the Fourth Proportional to 263,460.20, 394,736.70 and 122,930.60

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Solution

The fourth proportional to 263,460.20, 394,736.70 and 122,930.60 is: 184,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,460.20 : 394,736.70 = 122,930.60 : x
  2. Step 2: Convert to fraction form
    263,460.20/394,736.70 = 122,930.60/x
  3. Step 3: Cross multiply
    263,460.20x = 394,736.70 × 122,930.60
  4. Step 4: Simplify right side
    263,460.20x = 48,525,219,373.02
  5. Step 5: Solve for x
    x = 48,525,219,373.02/263,460.20
  6. Step 6: Final answer
    x = 184,184.25

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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.