Home / 194,486.30-291,612.78-76,016.54

Finding the Fourth Proportional to 194,486.30, 291,612.78 and 76,016.54

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Solution

The fourth proportional to 194,486.30, 291,612.78 and 76,016.54 is: 113,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,486.30 : 291,612.78 = 76,016.54 : x
  2. Step 2: Convert to fraction form
    194,486.30/291,612.78 = 76,016.54/x
  3. Step 3: Cross multiply
    194,486.30x = 291,612.78 × 76,016.54
  4. Step 4: Simplify right side
    194,486.30x = 22,167,394,555.38
  5. Step 5: Solve for x
    x = 22,167,394,555.38/194,486.30
  6. Step 6: Final answer
    x = 113,979.21

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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.