Home / 414,812.20-622,218.30-178,114.60

Finding the Fourth Proportional to 414,812.20, 622,218.30 and 178,114.60

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Solution

The fourth proportional to 414,812.20, 622,218.30 and 178,114.60 is: 267,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,812.20 : 622,218.30 = 178,114.60 : x
  2. Step 2: Convert to fraction form
    414,812.20/622,218.30 = 178,114.60/x
  3. Step 3: Cross multiply
    414,812.20x = 622,218.30 × 178,114.60
  4. Step 4: Simplify right side
    414,812.20x = 110,826,163,617.18
  5. Step 5: Solve for x
    x = 110,826,163,617.18/414,812.20
  6. Step 6: Final answer
    x = 267,171.90

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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.