Home / 102,166.20-153,249.30-73,953.90

Finding the Fourth Proportional to 102,166.20, 153,249.30 and 73,953.90

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Solution

The fourth proportional to 102,166.20, 153,249.30 and 73,953.90 is: 110,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,166.20 : 153,249.30 = 73,953.90 : x
  2. Step 2: Convert to fraction form
    102,166.20/153,249.30 = 73,953.90/x
  3. Step 3: Cross multiply
    102,166.20x = 153,249.30 × 73,953.90
  4. Step 4: Simplify right side
    102,166.20x = 11,333,383,407.27
  5. Step 5: Solve for x
    x = 11,333,383,407.27/102,166.20
  6. Step 6: Final answer
    x = 110,930.85

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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.