Home / 146,914.70-220,076.79-76,646.39

Finding the Fourth Proportional to 146,914.70, 220,076.79 and 76,646.39

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Solution

The fourth proportional to 146,914.70, 220,076.79 and 76,646.39 is: 114,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,914.70 : 220,076.79 = 76,646.39 : x
  2. Step 2: Convert to fraction form
    146,914.70/220,076.79 = 76,646.39/x
  3. Step 3: Cross multiply
    146,914.70x = 220,076.79 × 76,646.39
  4. Step 4: Simplify right side
    146,914.70x = 16,868,090,375.90
  5. Step 5: Solve for x
    x = 16,868,090,375.90/146,914.70
  6. Step 6: Final answer
    x = 114,815.54

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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.