Home / 220,620.58-304,766.49-196,739.62

Finding the Fourth Proportional to 220,620.58, 304,766.49 and 196,739.62

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Solution

The fourth proportional to 220,620.58, 304,766.49 and 196,739.62 is: 271,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,620.58 : 304,766.49 = 196,739.62 : x
  2. Step 2: Convert to fraction form
    220,620.58/304,766.49 = 196,739.62/x
  3. Step 3: Cross multiply
    220,620.58x = 304,766.49 × 196,739.62
  4. Step 4: Simplify right side
    220,620.58x = 59,959,643,431.33
  5. Step 5: Solve for x
    x = 59,959,643,431.33/220,620.58
  6. Step 6: Final answer
    x = 271,777.20

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1.5x scale

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.