Home / 194,777.20-291,947.10-82,438.30

Finding the Fourth Proportional to 194,777.20, 291,947.10 and 82,438.30

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Solution

The fourth proportional to 194,777.20, 291,947.10 and 82,438.30 is: 123,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,777.20 : 291,947.10 = 82,438.30 : x
  2. Step 2: Convert to fraction form
    194,777.20/291,947.10 = 82,438.30/x
  3. Step 3: Cross multiply
    194,777.20x = 291,947.10 × 82,438.30
  4. Step 4: Simplify right side
    194,777.20x = 24,067,622,613.93
  5. Step 5: Solve for x
    x = 24,067,622,613.93/194,777.20
  6. Step 6: Final answer
    x = 123,564.89

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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.