Home / 246,385.92-369,540.48-80,172.80

Finding the Fourth Proportional to 246,385.92, 369,540.48 and 80,172.80

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Solution

The fourth proportional to 246,385.92, 369,540.48 and 80,172.80 is: 120,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,385.92 : 369,540.48 = 80,172.80 : x
  2. Step 2: Convert to fraction form
    246,385.92/369,540.48 = 80,172.80/x
  3. Step 3: Cross multiply
    246,385.92x = 369,540.48 × 80,172.80
  4. Step 4: Simplify right side
    246,385.92x = 29,627,094,994.94
  5. Step 5: Solve for x
    x = 29,627,094,994.94/246,385.92
  6. Step 6: Final answer
    x = 120,246.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.