Home / 323,560.36-485,027.07-123,726.88

Finding the Fourth Proportional to 323,560.36, 485,027.07 and 123,726.88

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Solution

The fourth proportional to 323,560.36, 485,027.07 and 123,726.88 is: 185,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,560.36 : 485,027.07 = 123,726.88 : x
  2. Step 2: Convert to fraction form
    323,560.36/485,027.07 = 123,726.88/x
  3. Step 3: Cross multiply
    323,560.36x = 485,027.07 × 123,726.88
  4. Step 4: Simplify right side
    323,560.36x = 60,010,886,086.64
  5. Step 5: Solve for x
    x = 60,010,886,086.64/323,560.36
  6. Step 6: Final answer
    x = 185,470.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.