Home / 123,320.09-184,999.44-52,242.89

Finding the Fourth Proportional to 123,320.09, 184,999.44 and 52,242.89

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Solution

The fourth proportional to 123,320.09, 184,999.44 and 52,242.89 is: 78,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,320.09 : 184,999.44 = 52,242.89 : x
  2. Step 2: Convert to fraction form
    123,320.09/184,999.44 = 52,242.89/x
  3. Step 3: Cross multiply
    123,320.09x = 184,999.44 × 52,242.89
  4. Step 4: Simplify right side
    123,320.09x = 9,664,904,468.98
  5. Step 5: Solve for x
    x = 9,664,904,468.98/123,320.09
  6. Step 6: Final answer
    x = 78,372.51

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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.