Home / 205,413.36-283,517.78-133,668.82

Finding the Fourth Proportional to 205,413.36, 283,517.78 and 133,668.82

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Solution

The fourth proportional to 205,413.36, 283,517.78 and 133,668.82 is: 184,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,413.36 : 283,517.78 = 133,668.82 : x
  2. Step 2: Convert to fraction form
    205,413.36/283,517.78 = 133,668.82/x
  3. Step 3: Cross multiply
    205,413.36x = 283,517.78 × 133,668.82
  4. Step 4: Simplify right side
    205,413.36x = 37,897,487,101.62
  5. Step 5: Solve for x
    x = 37,897,487,101.62/205,413.36
  6. Step 6: Final answer
    x = 184,493.78

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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.