Home / 184,435.72-276,504.38-77,750.78

Finding the Fourth Proportional to 184,435.72, 276,504.38 and 77,750.78

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Solution

The fourth proportional to 184,435.72, 276,504.38 and 77,750.78 is: 116,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,435.72 : 276,504.38 = 77,750.78 : x
  2. Step 2: Convert to fraction form
    184,435.72/276,504.38 = 77,750.78/x
  3. Step 3: Cross multiply
    184,435.72x = 276,504.38 × 77,750.78
  4. Step 4: Simplify right side
    184,435.72x = 21,498,431,218.42
  5. Step 5: Solve for x
    x = 21,498,431,218.42/184,435.72
  6. Step 6: Final answer
    x = 116,563.27

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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.