Home / 321,964.87-444,289.29-178,713.64

Finding the Fourth Proportional to 321,964.87, 444,289.29 and 178,713.64

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Solution

The fourth proportional to 321,964.87, 444,289.29 and 178,713.64 is: 246,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,964.87 : 444,289.29 = 178,713.64 : x
  2. Step 2: Convert to fraction form
    321,964.87/444,289.29 = 178,713.64/x
  3. Step 3: Cross multiply
    321,964.87x = 444,289.29 × 178,713.64
  4. Step 4: Simplify right side
    321,964.87x = 79,400,556,228.92
  5. Step 5: Solve for x
    x = 79,400,556,228.92/321,964.87
  6. Step 6: Final answer
    x = 246,612.48

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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.