Home / 164,997.12-247,456.03-76,165.30

Finding the Fourth Proportional to 164,997.12, 247,456.03 and 76,165.30

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Solution

The fourth proportional to 164,997.12, 247,456.03 and 76,165.30 is: 114,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,997.12 : 247,456.03 = 76,165.30 : x
  2. Step 2: Convert to fraction form
    164,997.12/247,456.03 = 76,165.30/x
  3. Step 3: Cross multiply
    164,997.12x = 247,456.03 × 76,165.30
  4. Step 4: Simplify right side
    164,997.12x = 18,847,562,761.76
  5. Step 5: Solve for x
    x = 18,847,562,761.76/164,997.12
  6. Step 6: Final answer
    x = 114,229.65

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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.