Home / 277,719.61-383,144.56-161,413.75

Finding the Fourth Proportional to 277,719.61, 383,144.56 and 161,413.75

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Solution

The fourth proportional to 277,719.61, 383,144.56 and 161,413.75 is: 222,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,719.61 : 383,144.56 = 161,413.75 : x
  2. Step 2: Convert to fraction form
    277,719.61/383,144.56 = 161,413.75/x
  3. Step 3: Cross multiply
    277,719.61x = 383,144.56 × 161,413.75
  4. Step 4: Simplify right side
    277,719.61x = 61,844,799,414.63
  5. Step 5: Solve for x
    x = 61,844,799,414.63/277,719.61
  6. Step 6: Final answer
    x = 222,687.91

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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.