Home / 278,095.20-416,893.32-100,560.48

Finding the Fourth Proportional to 278,095.20, 416,893.32 and 100,560.48

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Solution

The fourth proportional to 278,095.20, 416,893.32 and 100,560.48 is: 150,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,095.20 : 416,893.32 = 100,560.48 : x
  2. Step 2: Convert to fraction form
    278,095.20/416,893.32 = 100,560.48/x
  3. Step 3: Cross multiply
    278,095.20x = 416,893.32 × 100,560.48
  4. Step 4: Simplify right side
    278,095.20x = 41,922,992,367.99
  5. Step 5: Solve for x
    x = 41,922,992,367.99/278,095.20
  6. Step 6: Final answer
    x = 150,750.51

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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.