Home / 205,221.33-283,252.59-120,365.73

Finding the Fourth Proportional to 205,221.33, 283,252.59 and 120,365.73

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Solution

The fourth proportional to 205,221.33, 283,252.59 and 120,365.73 is: 166,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,221.33 : 283,252.59 = 120,365.73 : x
  2. Step 2: Convert to fraction form
    205,221.33/283,252.59 = 120,365.73/x
  3. Step 3: Cross multiply
    205,221.33x = 283,252.59 × 120,365.73
  4. Step 4: Simplify right side
    205,221.33x = 34,093,904,769.74
  5. Step 5: Solve for x
    x = 34,093,904,769.74/205,221.33
  6. Step 6: Final answer
    x = 166,132.36

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1.5x scale

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.