Home / 321,964.08-444,288.21-178,712.85

Finding the Fourth Proportional to 321,964.08, 444,288.21 and 178,712.85

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Solution

The fourth proportional to 321,964.08, 444,288.21 and 178,712.85 is: 246,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,964.08 : 444,288.21 = 178,712.85 : x
  2. Step 2: Convert to fraction form
    321,964.08/444,288.21 = 178,712.85/x
  3. Step 3: Cross multiply
    321,964.08x = 444,288.21 × 178,712.85
  4. Step 4: Simplify right side
    321,964.08x = 79,400,012,230.50
  5. Step 5: Solve for x
    x = 79,400,012,230.50/321,964.08
  6. Step 6: Final answer
    x = 246,611.40

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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.