Home / 516,168.60-774,076.36-196,243.32

Finding the Fourth Proportional to 516,168.60, 774,076.36 and 196,243.32

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Solution

The fourth proportional to 516,168.60, 774,076.36 and 196,243.32 is: 294,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,168.60 : 774,076.36 = 196,243.32 : x
  2. Step 2: Convert to fraction form
    516,168.60/774,076.36 = 196,243.32/x
  3. Step 3: Cross multiply
    516,168.60x = 774,076.36 × 196,243.32
  4. Step 4: Simplify right side
    516,168.60x = 151,907,314,819.92
  5. Step 5: Solve for x
    x = 151,907,314,819.92/516,168.60
  6. Step 6: Final answer
    x = 294,297.86

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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.