Home / 148,166.22-204,467.82-80,181.72

Finding the Fourth Proportional to 148,166.22, 204,467.82 and 80,181.72

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Solution

The fourth proportional to 148,166.22, 204,467.82 and 80,181.72 is: 110,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,166.22 : 204,467.82 = 80,181.72 : x
  2. Step 2: Convert to fraction form
    148,166.22/204,467.82 = 80,181.72/x
  3. Step 3: Cross multiply
    148,166.22x = 204,467.82 × 80,181.72
  4. Step 4: Simplify right side
    148,166.22x = 16,394,581,492.25
  5. Step 5: Solve for x
    x = 16,394,581,492.25/148,166.22
  6. Step 6: Final answer
    x = 110,649.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.