Home / 143,011.76-214,548.48-43,163.60

Finding the Fourth Proportional to 143,011.76, 214,548.48 and 43,163.60

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Solution

The fourth proportional to 143,011.76, 214,548.48 and 43,163.60 is: 64,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.76 : 214,548.48 = 43,163.60 : x
  2. Step 2: Convert to fraction form
    143,011.76/214,548.48 = 43,163.60/x
  3. Step 3: Cross multiply
    143,011.76x = 214,548.48 × 43,163.60
  4. Step 4: Simplify right side
    143,011.76x = 9,260,684,771.33
  5. Step 5: Solve for x
    x = 9,260,684,771.33/143,011.76
  6. Step 6: Final answer
    x = 64,754.71

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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.