Home / 323,918.86-447,028.06-178,723.94

Finding the Fourth Proportional to 323,918.86, 447,028.06 and 178,723.94

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Solution

The fourth proportional to 323,918.86, 447,028.06 and 178,723.94 is: 246,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,918.86 : 447,028.06 = 178,723.94 : x
  2. Step 2: Convert to fraction form
    323,918.86/447,028.06 = 178,723.94/x
  3. Step 3: Cross multiply
    323,918.86x = 447,028.06 × 178,723.94
  4. Step 4: Simplify right side
    323,918.86x = 79,894,616,173.76
  5. Step 5: Solve for x
    x = 79,894,616,173.76/323,918.86
  6. Step 6: Final answer
    x = 246,650.09

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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.