Home / 274,716.16-379,166.88-161,603.44

Finding the Fourth Proportional to 274,716.16, 379,166.88 and 161,603.44

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Solution

The fourth proportional to 274,716.16, 379,166.88 and 161,603.44 is: 223,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,716.16 : 379,166.88 = 161,603.44 : x
  2. Step 2: Convert to fraction form
    274,716.16/379,166.88 = 161,603.44/x
  3. Step 3: Cross multiply
    274,716.16x = 379,166.88 × 161,603.44
  4. Step 4: Simplify right side
    274,716.16x = 61,274,672,142.07
  5. Step 5: Solve for x
    x = 61,274,672,142.07/274,716.16
  6. Step 6: Final answer
    x = 223,047.21

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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.