Home / 331,724.12-457,764.77-202,878.83

Finding the Fourth Proportional to 331,724.12, 457,764.77 and 202,878.83

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Solution

The fourth proportional to 331,724.12, 457,764.77 and 202,878.83 is: 279,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,724.12 : 457,764.77 = 202,878.83 : x
  2. Step 2: Convert to fraction form
    331,724.12/457,764.77 = 202,878.83/x
  3. Step 3: Cross multiply
    331,724.12x = 457,764.77 × 202,878.83
  4. Step 4: Simplify right side
    331,724.12x = 92,870,777,649.60
  5. Step 5: Solve for x
    x = 92,870,777,649.60/331,724.12
  6. Step 6: Final answer
    x = 279,963.90

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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.