Home / 322,142.56-444,530.80-186,185.30

Finding the Fourth Proportional to 322,142.56, 444,530.80 and 186,185.30

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Solution

The fourth proportional to 322,142.56, 444,530.80 and 186,185.30 is: 256,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,142.56 : 444,530.80 = 186,185.30 : x
  2. Step 2: Convert to fraction form
    322,142.56/444,530.80 = 186,185.30/x
  3. Step 3: Cross multiply
    322,142.56x = 444,530.80 × 186,185.30
  4. Step 4: Simplify right side
    322,142.56x = 82,765,100,357.24
  5. Step 5: Solve for x
    x = 82,765,100,357.24/322,142.56
  6. Step 6: Final answer
    x = 256,920.73

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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.