Home / 323,623.91-485,439.99-123,956.27

Finding the Fourth Proportional to 323,623.91, 485,439.99 and 123,956.27

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Solution

The fourth proportional to 323,623.91, 485,439.99 and 123,956.27 is: 185,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,623.91 : 485,439.99 = 123,956.27 : x
  2. Step 2: Convert to fraction form
    323,623.91/485,439.99 = 123,956.27/x
  3. Step 3: Cross multiply
    323,623.91x = 485,439.99 × 123,956.27
  4. Step 4: Simplify right side
    323,623.91x = 60,173,332,128.20
  5. Step 5: Solve for x
    x = 60,173,332,128.20/323,623.91
  6. Step 6: Final answer
    x = 185,935.99

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1.5x scale

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.