Home / 321,838.25-444,123.32-178,589.75

Finding the Fourth Proportional to 321,838.25, 444,123.32 and 178,589.75

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Solution

The fourth proportional to 321,838.25, 444,123.32 and 178,589.75 is: 246,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,838.25 : 444,123.32 = 178,589.75 : x
  2. Step 2: Convert to fraction form
    321,838.25/444,123.32 = 178,589.75/x
  3. Step 3: Cross multiply
    321,838.25x = 444,123.32 × 178,589.75
  4. Step 4: Simplify right side
    321,838.25x = 79,315,874,244.75
  5. Step 5: Solve for x
    x = 79,315,874,244.75/321,838.25
  6. Step 6: Final answer
    x = 246,446.39

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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.