Home / 194,502.48-291,784.86-82,183.78

Finding the Fourth Proportional to 194,502.48, 291,784.86 and 82,183.78

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Solution

The fourth proportional to 194,502.48, 291,784.86 and 82,183.78 is: 123,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,502.48 : 291,784.86 = 82,183.78 : x
  2. Step 2: Convert to fraction form
    194,502.48/291,784.86 = 82,183.78/x
  3. Step 3: Cross multiply
    194,502.48x = 291,784.86 × 82,183.78
  4. Step 4: Simplify right side
    194,502.48x = 23,979,982,741.57
  5. Step 5: Solve for x
    x = 23,979,982,741.57/194,502.48
  6. Step 6: Final answer
    x = 123,288.83

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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.