Home / 516,146.20-774,218.94-161,190.64

Finding the Fourth Proportional to 516,146.20, 774,218.94 and 161,190.64

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Solution

The fourth proportional to 516,146.20, 774,218.94 and 161,190.64 is: 241,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,146.20 : 774,218.94 = 161,190.64 : x
  2. Step 2: Convert to fraction form
    516,146.20/774,218.94 = 161,190.64/x
  3. Step 3: Cross multiply
    516,146.20x = 774,218.94 × 161,190.64
  4. Step 4: Simplify right side
    516,146.20x = 124,796,846,438.72
  5. Step 5: Solve for x
    x = 124,796,846,438.72/516,146.20
  6. Step 6: Final answer
    x = 241,785.85

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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.