Home / 311,835.92-467,749.77-75,176.70

Finding the Fourth Proportional to 311,835.92, 467,749.77 and 75,176.70

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Solution

The fourth proportional to 311,835.92, 467,749.77 and 75,176.70 is: 112,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,835.92 : 467,749.77 = 75,176.70 : x
  2. Step 2: Convert to fraction form
    311,835.92/467,749.77 = 75,176.70/x
  3. Step 3: Cross multiply
    311,835.92x = 467,749.77 × 75,176.70
  4. Step 4: Simplify right side
    311,835.92x = 35,163,884,134.36
  5. Step 5: Solve for x
    x = 35,163,884,134.36/311,835.92
  6. Step 6: Final answer
    x = 112,764.06

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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.