Home / 155,437.92-214,520.94-95,043.96

Finding the Fourth Proportional to 155,437.92, 214,520.94 and 95,043.96

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Solution

The fourth proportional to 155,437.92, 214,520.94 and 95,043.96 is: 131,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,437.92 : 214,520.94 = 95,043.96 : x
  2. Step 2: Convert to fraction form
    155,437.92/214,520.94 = 95,043.96/x
  3. Step 3: Cross multiply
    155,437.92x = 214,520.94 × 95,043.96
  4. Step 4: Simplify right side
    155,437.92x = 20,388,919,640.52
  5. Step 5: Solve for x
    x = 20,388,919,640.52/155,437.92
  6. Step 6: Final answer
    x = 131,170.82

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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.