Home / 101,268.38-151,997.90-51,384.27

Finding the Fourth Proportional to 101,268.38, 151,997.90 and 51,384.27

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Solution

The fourth proportional to 101,268.38, 151,997.90 and 51,384.27 is: 77,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,268.38 : 151,997.90 = 51,384.27 : x
  2. Step 2: Convert to fraction form
    101,268.38/151,997.90 = 51,384.27/x
  3. Step 3: Cross multiply
    101,268.38x = 151,997.90 × 51,384.27
  4. Step 4: Simplify right side
    101,268.38x = 7,810,300,876.11
  5. Step 5: Solve for x
    x = 7,810,300,876.11/101,268.38
  6. Step 6: Final answer
    x = 77,124.78

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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.