Home / 215,840.49-323,790.29-73,647.62

Finding the Fourth Proportional to 215,840.49, 323,790.29 and 73,647.62

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Solution

The fourth proportional to 215,840.49, 323,790.29 and 73,647.62 is: 110,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,840.49 : 323,790.29 = 73,647.62 : x
  2. Step 2: Convert to fraction form
    215,840.49/323,790.29 = 73,647.62/x
  3. Step 3: Cross multiply
    215,840.49x = 323,790.29 × 73,647.62
  4. Step 4: Simplify right side
    215,840.49x = 23,846,384,237.61
  5. Step 5: Solve for x
    x = 23,846,384,237.61/215,840.49
  6. Step 6: Final answer
    x = 110,481.51

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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.