Home / 278,604.20-417,620.34-110,056.28

Finding the Fourth Proportional to 278,604.20, 417,620.34 and 110,056.28

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Solution

The fourth proportional to 278,604.20, 417,620.34 and 110,056.28 is: 164,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,604.20 : 417,620.34 = 110,056.28 : x
  2. Step 2: Convert to fraction form
    278,604.20/417,620.34 = 110,056.28/x
  3. Step 3: Cross multiply
    278,604.20x = 417,620.34 × 110,056.28
  4. Step 4: Simplify right side
    278,604.20x = 45,961,741,072.74
  5. Step 5: Solve for x
    x = 45,961,741,072.74/278,604.20
  6. Step 6: Final answer
    x = 164,971.46

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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.