Home / 376,052.34-518,949.48-203,969.79

Finding the Fourth Proportional to 376,052.34, 518,949.48 and 203,969.79

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Solution

The fourth proportional to 376,052.34, 518,949.48 and 203,969.79 is: 281,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,052.34 : 518,949.48 = 203,969.79 : x
  2. Step 2: Convert to fraction form
    376,052.34/518,949.48 = 203,969.79/x
  3. Step 3: Cross multiply
    376,052.34x = 518,949.48 × 203,969.79
  4. Step 4: Simplify right side
    376,052.34x = 105,850,016,456.21
  5. Step 5: Solve for x
    x = 105,850,016,456.21/376,052.34
  6. Step 6: Final answer
    x = 281,476.82

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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.