Home / 135,963.11-203,944.76-51,703.83

Finding the Fourth Proportional to 135,963.11, 203,944.76 and 51,703.83

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Solution

The fourth proportional to 135,963.11, 203,944.76 and 51,703.83 is: 77,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,963.11 : 203,944.76 = 51,703.83 : x
  2. Step 2: Convert to fraction form
    135,963.11/203,944.76 = 51,703.83/x
  3. Step 3: Cross multiply
    135,963.11x = 203,944.76 × 51,703.83
  4. Step 4: Simplify right side
    135,963.11x = 10,544,724,941.91
  5. Step 5: Solve for x
    x = 10,544,724,941.91/135,963.11
  6. Step 6: Final answer
    x = 77,555.78

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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.