Home / 146,102.56-219,163.60-51,321.28

Finding the Fourth Proportional to 146,102.56, 219,163.60 and 51,321.28

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Solution

The fourth proportional to 146,102.56, 219,163.60 and 51,321.28 is: 76,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,102.56 : 219,163.60 = 51,321.28 : x
  2. Step 2: Convert to fraction form
    146,102.56/219,163.60 = 51,321.28/x
  3. Step 3: Cross multiply
    146,102.56x = 219,163.60 × 51,321.28
  4. Step 4: Simplify right side
    146,102.56x = 11,247,756,481.41
  5. Step 5: Solve for x
    x = 11,247,756,481.41/146,102.56
  6. Step 6: Final answer
    x = 76,985.35

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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.