Home / 223,736.40-335,604.60-206,629.20

Finding the Fourth Proportional to 223,736.40, 335,604.60 and 206,629.20

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Solution

The fourth proportional to 223,736.40, 335,604.60 and 206,629.20 is: 309,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,736.40 : 335,604.60 = 206,629.20 : x
  2. Step 2: Convert to fraction form
    223,736.40/335,604.60 = 206,629.20/x
  3. Step 3: Cross multiply
    223,736.40x = 335,604.60 × 206,629.20
  4. Step 4: Simplify right side
    223,736.40x = 69,345,710,014.32
  5. Step 5: Solve for x
    x = 69,345,710,014.32/223,736.40
  6. Step 6: Final answer
    x = 309,943.80

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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.