Home / 135,960.15-203,945.38-51,704.63

Finding the Fourth Proportional to 135,960.15, 203,945.38 and 51,704.63

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Solution

The fourth proportional to 135,960.15, 203,945.38 and 51,704.63 is: 77,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960.15 : 203,945.38 = 51,704.63 : x
  2. Step 2: Convert to fraction form
    135,960.15/203,945.38 = 51,704.63/x
  3. Step 3: Cross multiply
    135,960.15x = 203,945.38 × 51,704.63
  4. Step 4: Simplify right side
    135,960.15x = 10,544,920,028.92
  5. Step 5: Solve for x
    x = 10,544,920,028.92/135,960.15
  6. Step 6: Final answer
    x = 77,558.90

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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.