Home / 194,181.06-291,287.34-53,939.66

Finding the Fourth Proportional to 194,181.06, 291,287.34 and 53,939.66

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Solution

The fourth proportional to 194,181.06, 291,287.34 and 53,939.66 is: 80,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,181.06 : 291,287.34 = 53,939.66 : x
  2. Step 2: Convert to fraction form
    194,181.06/291,287.34 = 53,939.66/x
  3. Step 3: Cross multiply
    194,181.06x = 291,287.34 × 53,939.66
  4. Step 4: Simplify right side
    194,181.06x = 15,711,940,081.90
  5. Step 5: Solve for x
    x = 15,711,940,081.90/194,181.06
  6. Step 6: Final answer
    x = 80,913.87

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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.