Home / 194,610.30-291,685.05-82,290.30

Finding the Fourth Proportional to 194,610.30, 291,685.05 and 82,290.30

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Solution

The fourth proportional to 194,610.30, 291,685.05 and 82,290.30 is: 123,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,610.30 : 291,685.05 = 82,290.30 : x
  2. Step 2: Convert to fraction form
    194,610.30/291,685.05 = 82,290.30/x
  3. Step 3: Cross multiply
    194,610.30x = 291,685.05 × 82,290.30
  4. Step 4: Simplify right side
    194,610.30x = 24,002,850,270.02
  5. Step 5: Solve for x
    x = 24,002,850,270.02/194,610.30
  6. Step 6: Final answer
    x = 123,338.03

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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.