Home / 323,927.68-447,017.20-178,734.80

Finding the Fourth Proportional to 323,927.68, 447,017.20 and 178,734.80

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Solution

The fourth proportional to 323,927.68, 447,017.20 and 178,734.80 is: 246,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,927.68 : 447,017.20 = 178,734.80 : x
  2. Step 2: Convert to fraction form
    323,927.68/447,017.20 = 178,734.80/x
  3. Step 3: Cross multiply
    323,927.68x = 447,017.20 × 178,734.80
  4. Step 4: Simplify right side
    323,927.68x = 79,897,529,838.56
  5. Step 5: Solve for x
    x = 79,897,529,838.56/323,927.68
  6. Step 6: Final answer
    x = 246,652.37

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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.