Home / 293,405.22-404,871.21-233,121.78

Finding the Fourth Proportional to 293,405.22, 404,871.21 and 233,121.78

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Solution

The fourth proportional to 293,405.22, 404,871.21 and 233,121.78 is: 321,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,405.22 : 404,871.21 = 233,121.78 : x
  2. Step 2: Convert to fraction form
    293,405.22/404,871.21 = 233,121.78/x
  3. Step 3: Cross multiply
    293,405.22x = 404,871.21 × 233,121.78
  4. Step 4: Simplify right side
    293,405.22x = 94,384,297,145.95
  5. Step 5: Solve for x
    x = 94,384,297,145.95/293,405.22
  6. Step 6: Final answer
    x = 321,685.81

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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.