Home / 133,007.27-199,042.82-83,110.86

Finding the Fourth Proportional to 133,007.27, 199,042.82 and 83,110.86

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Solution

The fourth proportional to 133,007.27, 199,042.82 and 83,110.86 is: 124,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007.27 : 199,042.82 = 83,110.86 : x
  2. Step 2: Convert to fraction form
    133,007.27/199,042.82 = 83,110.86/x
  3. Step 3: Cross multiply
    133,007.27x = 199,042.82 × 83,110.86
  4. Step 4: Simplify right side
    133,007.27x = 16,542,619,843.14
  5. Step 5: Solve for x
    x = 16,542,619,843.14/133,007.27
  6. Step 6: Final answer
    x = 124,373.81

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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.