Home / 143,090.38-214,846.32-80,034.11

Finding the Fourth Proportional to 143,090.38, 214,846.32 and 80,034.11

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Solution

The fourth proportional to 143,090.38, 214,846.32 and 80,034.11 is: 120,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,090.38 : 214,846.32 = 80,034.11 : x
  2. Step 2: Convert to fraction form
    143,090.38/214,846.32 = 80,034.11/x
  3. Step 3: Cross multiply
    143,090.38x = 214,846.32 × 80,034.11
  4. Step 4: Simplify right side
    143,090.38x = 17,195,034,039.55
  5. Step 5: Solve for x
    x = 17,195,034,039.55/143,090.38
  6. Step 6: Final answer
    x = 120,169.04

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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.