Home / 148,172.22-204,446.16-87,761.88

Finding the Fourth Proportional to 148,172.22, 204,446.16 and 87,761.88

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Solution

The fourth proportional to 148,172.22, 204,446.16 and 87,761.88 is: 121,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,172.22 : 204,446.16 = 87,761.88 : x
  2. Step 2: Convert to fraction form
    148,172.22/204,446.16 = 87,761.88/x
  3. Step 3: Cross multiply
    148,172.22x = 204,446.16 × 87,761.88
  4. Step 4: Simplify right side
    148,172.22x = 17,942,579,360.38
  5. Step 5: Solve for x
    x = 17,942,579,360.38/148,172.22
  6. Step 6: Final answer
    x = 121,092.73

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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.