Home / 123,028.08-184,543.92-38,786.64

Finding the Fourth Proportional to 123,028.08, 184,543.92 and 38,786.64

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Solution

The fourth proportional to 123,028.08, 184,543.92 and 38,786.64 is: 58,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,028.08 : 184,543.92 = 38,786.64 : x
  2. Step 2: Convert to fraction form
    123,028.08/184,543.92 = 38,786.64/x
  3. Step 3: Cross multiply
    123,028.08x = 184,543.92 × 38,786.64
  4. Step 4: Simplify right side
    123,028.08x = 7,157,838,589.23
  5. Step 5: Solve for x
    x = 7,157,838,589.23/123,028.08
  6. Step 6: Final answer
    x = 58,180.53

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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.