Home / 378,093.60-567,196.43-121,840.29

Finding the Fourth Proportional to 378,093.60, 567,196.43 and 121,840.29

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Solution

The fourth proportional to 378,093.60, 567,196.43 and 121,840.29 is: 182,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,093.60 : 567,196.43 = 121,840.29 : x
  2. Step 2: Convert to fraction form
    378,093.60/567,196.43 = 121,840.29/x
  3. Step 3: Cross multiply
    378,093.60x = 567,196.43 × 121,840.29
  4. Step 4: Simplify right side
    378,093.60x = 69,107,376,908.96
  5. Step 5: Solve for x
    x = 69,107,376,908.96/378,093.60
  6. Step 6: Final answer
    x = 182,778.49

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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.