Home / 123,213.36-184,785.72-52,111.44

Finding the Fourth Proportional to 123,213.36, 184,785.72 and 52,111.44

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Solution

The fourth proportional to 123,213.36, 184,785.72 and 52,111.44 is: 78,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,213.36 : 184,785.72 = 52,111.44 : x
  2. Step 2: Convert to fraction form
    123,213.36/184,785.72 = 52,111.44/x
  3. Step 3: Cross multiply
    123,213.36x = 184,785.72 × 52,111.44
  4. Step 4: Simplify right side
    123,213.36x = 9,629,449,960.64
  5. Step 5: Solve for x
    x = 9,629,449,960.64/123,213.36
  6. Step 6: Final answer
    x = 78,152.64

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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.