Home / 151,821.10-227,579.25-51,912.97

Finding the Fourth Proportional to 151,821.10, 227,579.25 and 51,912.97

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Solution

The fourth proportional to 151,821.10, 227,579.25 and 51,912.97 is: 77,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,821.10 : 227,579.25 = 51,912.97 : x
  2. Step 2: Convert to fraction form
    151,821.10/227,579.25 = 51,912.97/x
  3. Step 3: Cross multiply
    151,821.10x = 227,579.25 × 51,912.97
  4. Step 4: Simplify right side
    151,821.10x = 11,814,314,518.31
  5. Step 5: Solve for x
    x = 11,814,314,518.31/151,821.10
  6. Step 6: Final answer
    x = 77,817.34

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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.