Home / 146,579.80-219,942.60-57,836.20

Finding the Fourth Proportional to 146,579.80, 219,942.60 and 57,836.20

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Solution

The fourth proportional to 146,579.80, 219,942.60 and 57,836.20 is: 86,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,579.80 : 219,942.60 = 57,836.20 : x
  2. Step 2: Convert to fraction form
    146,579.80/219,942.60 = 57,836.20/x
  3. Step 3: Cross multiply
    146,579.80x = 219,942.60 × 57,836.20
  4. Step 4: Simplify right side
    146,579.80x = 12,720,644,202.12
  5. Step 5: Solve for x
    x = 12,720,644,202.12/146,579.80
  6. Step 6: Final answer
    x = 86,783.06

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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.