Home / 107,223.43-160,887.54-75,835.21

Finding the Fourth Proportional to 107,223.43, 160,887.54 and 75,835.21

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Solution

The fourth proportional to 107,223.43, 160,887.54 and 75,835.21 is: 113,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,223.43 : 160,887.54 = 75,835.21 : x
  2. Step 2: Convert to fraction form
    107,223.43/160,887.54 = 75,835.21/x
  3. Step 3: Cross multiply
    107,223.43x = 160,887.54 × 75,835.21
  4. Step 4: Simplify right side
    107,223.43x = 12,200,940,382.28
  5. Step 5: Solve for x
    x = 12,200,940,382.28/107,223.43
  6. Step 6: Final answer
    x = 113,789.87

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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.