Home / 312,105.29-467,961.11-171,962.33

Finding the Fourth Proportional to 312,105.29, 467,961.11 and 171,962.33

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Solution

The fourth proportional to 312,105.29, 467,961.11 and 171,962.33 is: 257,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,105.29 : 467,961.11 = 171,962.33 : x
  2. Step 2: Convert to fraction form
    312,105.29/467,961.11 = 171,962.33/x
  3. Step 3: Cross multiply
    312,105.29x = 467,961.11 × 171,962.33
  4. Step 4: Simplify right side
    312,105.29x = 80,471,681,965.17
  5. Step 5: Solve for x
    x = 80,471,681,965.17/312,105.29
  6. Step 6: Final answer
    x = 257,835.05

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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.