Home / 123,208.28-184,832.35-48,287.78

Finding the Fourth Proportional to 123,208.28, 184,832.35 and 48,287.78

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Solution

The fourth proportional to 123,208.28, 184,832.35 and 48,287.78 is: 72,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,208.28 : 184,832.35 = 48,287.78 : x
  2. Step 2: Convert to fraction form
    123,208.28/184,832.35 = 48,287.78/x
  3. Step 3: Cross multiply
    123,208.28x = 184,832.35 × 48,287.78
  4. Step 4: Simplify right side
    123,208.28x = 8,925,143,853.68
  5. Step 5: Solve for x
    x = 8,925,143,853.68/123,208.28
  6. Step 6: Final answer
    x = 72,439.48

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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.