Home / 194,542.10-291,843.30-82,222.78

Finding the Fourth Proportional to 194,542.10, 291,843.30 and 82,222.78

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Solution

The fourth proportional to 194,542.10, 291,843.30 and 82,222.78 is: 123,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,542.10 : 291,843.30 = 82,222.78 : x
  2. Step 2: Convert to fraction form
    194,542.10/291,843.30 = 82,222.78/x
  3. Step 3: Cross multiply
    194,542.10x = 291,843.30 × 82,222.78
  4. Step 4: Simplify right side
    194,542.10x = 23,996,167,450.37
  5. Step 5: Solve for x
    x = 23,996,167,450.37/194,542.10
  6. Step 6: Final answer
    x = 123,346.91

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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.