Home / 104,218.57-156,327.91-73,192.33

Finding the Fourth Proportional to 104,218.57, 156,327.91 and 73,192.33

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Solution

The fourth proportional to 104,218.57, 156,327.91 and 73,192.33 is: 109,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.57 : 156,327.91 = 73,192.33 : x
  2. Step 2: Convert to fraction form
    104,218.57/156,327.91 = 73,192.33/x
  3. Step 3: Cross multiply
    104,218.57x = 156,327.91 × 73,192.33
  4. Step 4: Simplify right side
    104,218.57x = 11,442,003,012.31
  5. Step 5: Solve for x
    x = 11,442,003,012.31/104,218.57
  6. Step 6: Final answer
    x = 109,788.53

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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.