Home / 321,944.16-444,262-178,704.24

Finding the Fourth Proportional to 321,944.16, 444,262 and 178,704.24

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Solution

The fourth proportional to 321,944.16, 444,262 and 178,704.24 is: 246,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,944.16 : 444,262 = 178,704.24 : x
  2. Step 2: Convert to fraction form
    321,944.16/444,262 = 178,704.24/x
  3. Step 3: Cross multiply
    321,944.16x = 444,262 × 178,704.24
  4. Step 4: Simplify right side
    321,944.16x = 79,391,503,070.88
  5. Step 5: Solve for x
    x = 79,391,503,070.88/321,944.16
  6. Step 6: Final answer
    x = 246,600.23

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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.