Home / 244,995.20-338,072.64-137,556.80

Finding the Fourth Proportional to 244,995.20, 338,072.64 and 137,556.80

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Solution

The fourth proportional to 244,995.20, 338,072.64 and 137,556.80 is: 189,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,995.20 : 338,072.64 = 137,556.80 : x
  2. Step 2: Convert to fraction form
    244,995.20/338,072.64 = 137,556.80/x
  3. Step 3: Cross multiply
    244,995.20x = 338,072.64 × 137,556.80
  4. Step 4: Simplify right side
    244,995.20x = 46,504,190,525.95
  5. Step 5: Solve for x
    x = 46,504,190,525.95/244,995.20
  6. Step 6: Final answer
    x = 189,816.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.