Home / 194,776.20-291,945.60-82,437.30

Finding the Fourth Proportional to 194,776.20, 291,945.60 and 82,437.30

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Solution

The fourth proportional to 194,776.20, 291,945.60 and 82,437.30 is: 123,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,776.20 : 291,945.60 = 82,437.30 : x
  2. Step 2: Convert to fraction form
    194,776.20/291,945.60 = 82,437.30/x
  3. Step 3: Cross multiply
    194,776.20x = 291,945.60 × 82,437.30
  4. Step 4: Simplify right side
    194,776.20x = 24,067,207,010.88
  5. Step 5: Solve for x
    x = 24,067,207,010.88/194,776.20
  6. Step 6: Final answer
    x = 123,563.39

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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.