Home / 323,961.21-447,063.45-178,768.40

Finding the Fourth Proportional to 323,961.21, 447,063.45 and 178,768.40

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Solution

The fourth proportional to 323,961.21, 447,063.45 and 178,768.40 is: 246,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,961.21 : 447,063.45 = 178,768.40 : x
  2. Step 2: Convert to fraction form
    323,961.21/447,063.45 = 178,768.40/x
  3. Step 3: Cross multiply
    323,961.21x = 447,063.45 × 178,768.40
  4. Step 4: Simplify right side
    323,961.21x = 79,920,815,419.66
  5. Step 5: Solve for x
    x = 79,920,815,419.66/323,961.21
  6. Step 6: Final answer
    x = 246,698.72

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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.