Home / 184,997.81-255,297.78-100,114.88

Finding the Fourth Proportional to 184,997.81, 255,297.78 and 100,114.88

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Solution

The fourth proportional to 184,997.81, 255,297.78 and 100,114.88 is: 138,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,997.81 : 255,297.78 = 100,114.88 : x
  2. Step 2: Convert to fraction form
    184,997.81/255,297.78 = 100,114.88/x
  3. Step 3: Cross multiply
    184,997.81x = 255,297.78 × 100,114.88
  4. Step 4: Simplify right side
    184,997.81x = 25,559,106,608.97
  5. Step 5: Solve for x
    x = 25,559,106,608.97/184,997.81
  6. Step 6: Final answer
    x = 138,158.97

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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.