Home / 143,159.14-214,650.46-48,380.38

Finding the Fourth Proportional to 143,159.14, 214,650.46 and 48,380.38

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Solution

The fourth proportional to 143,159.14, 214,650.46 and 48,380.38 is: 72,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,159.14 : 214,650.46 = 48,380.38 : x
  2. Step 2: Convert to fraction form
    143,159.14/214,650.46 = 48,380.38/x
  3. Step 3: Cross multiply
    143,159.14x = 214,650.46 × 48,380.38
  4. Step 4: Simplify right side
    143,159.14x = 10,384,870,821.97
  5. Step 5: Solve for x
    x = 10,384,870,821.97/143,159.14
  6. Step 6: Final answer
    x = 72,540.75

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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.