Home / 106,173.38-159,234.55-31,273.29

Finding the Fourth Proportional to 106,173.38, 159,234.55 and 31,273.29

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Solution

The fourth proportional to 106,173.38, 159,234.55 and 31,273.29 is: 46,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,173.38 : 159,234.55 = 31,273.29 : x
  2. Step 2: Convert to fraction form
    106,173.38/159,234.55 = 31,273.29/x
  3. Step 3: Cross multiply
    106,173.38x = 159,234.55 × 31,273.29
  4. Step 4: Simplify right side
    106,173.38x = 4,979,788,260.17
  5. Step 5: Solve for x
    x = 4,979,788,260.17/106,173.38
  6. Step 6: Final answer
    x = 46,902.42

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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.