Home / 215,383.86-323,110.62-73,241.82

Finding the Fourth Proportional to 215,383.86, 323,110.62 and 73,241.82

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Solution

The fourth proportional to 215,383.86, 323,110.62 and 73,241.82 is: 109,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,383.86 : 323,110.62 = 73,241.82 : x
  2. Step 2: Convert to fraction form
    215,383.86/323,110.62 = 73,241.82/x
  3. Step 3: Cross multiply
    215,383.86x = 323,110.62 × 73,241.82
  4. Step 4: Simplify right side
    215,383.86x = 23,665,209,870.13
  5. Step 5: Solve for x
    x = 23,665,209,870.13/215,383.86
  6. Step 6: Final answer
    x = 109,874.57

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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.