Home / 321,909.27-444,231.59-178,665.63

Finding the Fourth Proportional to 321,909.27, 444,231.59 and 178,665.63

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Solution

The fourth proportional to 321,909.27, 444,231.59 and 178,665.63 is: 246,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,909.27 : 444,231.59 = 178,665.63 : x
  2. Step 2: Convert to fraction form
    321,909.27/444,231.59 = 178,665.63/x
  3. Step 3: Cross multiply
    321,909.27x = 444,231.59 × 178,665.63
  4. Step 4: Simplify right side
    321,909.27x = 79,368,915,999.92
  5. Step 5: Solve for x
    x = 79,368,915,999.92/321,909.27
  6. Step 6: Final answer
    x = 246,556.79

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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.