Home / 117,340.66-161,951.43-76,983.22

Finding the Fourth Proportional to 117,340.66, 161,951.43 and 76,983.22

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Solution

The fourth proportional to 117,340.66, 161,951.43 and 76,983.22 is: 106,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,340.66 : 161,951.43 = 76,983.22 : x
  2. Step 2: Convert to fraction form
    117,340.66/161,951.43 = 76,983.22/x
  3. Step 3: Cross multiply
    117,340.66x = 161,951.43 × 76,983.22
  4. Step 4: Simplify right side
    117,340.66x = 12,467,542,565.00
  5. Step 5: Solve for x
    x = 12,467,542,565.00/117,340.66
  6. Step 6: Final answer
    x = 106,250.83

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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.