Home / 101,190.57-151,758.15-38,005.81

Finding the Fourth Proportional to 101,190.57, 151,758.15 and 38,005.81

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Solution

The fourth proportional to 101,190.57, 151,758.15 and 38,005.81 is: 56,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,190.57 : 151,758.15 = 38,005.81 : x
  2. Step 2: Convert to fraction form
    101,190.57/151,758.15 = 38,005.81/x
  3. Step 3: Cross multiply
    101,190.57x = 151,758.15 × 38,005.81
  4. Step 4: Simplify right side
    101,190.57x = 5,767,691,414.85
  5. Step 5: Solve for x
    x = 5,767,691,414.85/101,190.57
  6. Step 6: Final answer
    x = 56,998.31

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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.