Home / 321,964.12-444,288.25-178,712.88

Finding the Fourth Proportional to 321,964.12, 444,288.25 and 178,712.88

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Solution

The fourth proportional to 321,964.12, 444,288.25 and 178,712.88 is: 246,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,964.12 : 444,288.25 = 178,712.88 : x
  2. Step 2: Convert to fraction form
    321,964.12/444,288.25 = 178,712.88/x
  3. Step 3: Cross multiply
    321,964.12x = 444,288.25 × 178,712.88
  4. Step 4: Simplify right side
    321,964.12x = 79,400,032,707.66
  5. Step 5: Solve for x
    x = 79,400,032,707.66/321,964.12
  6. Step 6: Final answer
    x = 246,611.43

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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.