Home / 205,039.76-283,071.12-133,383.92

Finding the Fourth Proportional to 205,039.76, 283,071.12 and 133,383.92

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Solution

The fourth proportional to 205,039.76, 283,071.12 and 133,383.92 is: 184,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,039.76 : 283,071.12 = 133,383.92 : x
  2. Step 2: Convert to fraction form
    205,039.76/283,071.12 = 133,383.92/x
  3. Step 3: Cross multiply
    205,039.76x = 283,071.12 × 133,383.92
  4. Step 4: Simplify right side
    205,039.76x = 37,757,135,624.39
  5. Step 5: Solve for x
    x = 37,757,135,624.39/205,039.76
  6. Step 6: Final answer
    x = 184,145.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.