Home / 133,275.96-199,910.76-43,318.56

Finding the Fourth Proportional to 133,275.96, 199,910.76 and 43,318.56

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Solution

The fourth proportional to 133,275.96, 199,910.76 and 43,318.56 is: 64,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,275.96 : 199,910.76 = 43,318.56 : x
  2. Step 2: Convert to fraction form
    133,275.96/199,910.76 = 43,318.56/x
  3. Step 3: Cross multiply
    133,275.96x = 199,910.76 × 43,318.56
  4. Step 4: Simplify right side
    133,275.96x = 8,659,846,251.71
  5. Step 5: Solve for x
    x = 8,659,846,251.71/133,275.96
  6. Step 6: Final answer
    x = 64,976.81

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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.