Home / 184,917.12-276,943.68-91,121.28

Finding the Fourth Proportional to 184,917.12, 276,943.68 and 91,121.28

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Solution

The fourth proportional to 184,917.12, 276,943.68 and 91,121.28 is: 136,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,917.12 : 276,943.68 = 91,121.28 : x
  2. Step 2: Convert to fraction form
    184,917.12/276,943.68 = 91,121.28/x
  3. Step 3: Cross multiply
    184,917.12x = 276,943.68 × 91,121.28
  4. Step 4: Simplify right side
    184,917.12x = 25,235,462,609.51
  5. Step 5: Solve for x
    x = 25,235,462,609.51/184,917.12
  6. Step 6: Final answer
    x = 136,469.04

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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.