Home / 414,743.20-622,114.80-178,045.60

Finding the Fourth Proportional to 414,743.20, 622,114.80 and 178,045.60

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Solution

The fourth proportional to 414,743.20, 622,114.80 and 178,045.60 is: 267,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,743.20 : 622,114.80 = 178,045.60 : x
  2. Step 2: Convert to fraction form
    414,743.20/622,114.80 = 178,045.60/x
  3. Step 3: Cross multiply
    414,743.20x = 622,114.80 × 178,045.60
  4. Step 4: Simplify right side
    414,743.20x = 110,764,802,834.88
  5. Step 5: Solve for x
    x = 110,764,802,834.88/414,743.20
  6. Step 6: Final answer
    x = 267,068.40

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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.