Home / 273,965.76-377,968.56-202,517.28

Finding the Fourth Proportional to 273,965.76, 377,968.56 and 202,517.28

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Solution

The fourth proportional to 273,965.76, 377,968.56 and 202,517.28 is: 279,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,965.76 : 377,968.56 = 202,517.28 : x
  2. Step 2: Convert to fraction form
    273,965.76/377,968.56 = 202,517.28/x
  3. Step 3: Cross multiply
    273,965.76x = 377,968.56 × 202,517.28
  4. Step 4: Simplify right side
    273,965.76x = 76,545,164,696.72
  5. Step 5: Solve for x
    x = 76,545,164,696.72/273,965.76
  6. Step 6: Final answer
    x = 279,396.83

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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.