Home / 376,021.98-518,908.95-232,753.50

Finding the Fourth Proportional to 376,021.98, 518,908.95 and 232,753.50

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Solution

The fourth proportional to 376,021.98, 518,908.95 and 232,753.50 is: 321,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,021.98 : 518,908.95 = 232,753.50 : x
  2. Step 2: Convert to fraction form
    376,021.98/518,908.95 = 232,753.50/x
  3. Step 3: Cross multiply
    376,021.98x = 518,908.95 × 232,753.50
  4. Step 4: Simplify right side
    376,021.98x = 120,777,874,293.83
  5. Step 5: Solve for x
    x = 120,777,874,293.83/376,021.98
  6. Step 6: Final answer
    x = 321,198.97

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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.