Home / 143,190.96-214,769.76-38,018.10

Finding the Fourth Proportional to 143,190.96, 214,769.76 and 38,018.10

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Solution

The fourth proportional to 143,190.96, 214,769.76 and 38,018.10 is: 57,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,190.96 : 214,769.76 = 38,018.10 : x
  2. Step 2: Convert to fraction form
    143,190.96/214,769.76 = 38,018.10/x
  3. Step 3: Cross multiply
    143,190.96x = 214,769.76 × 38,018.10
  4. Step 4: Simplify right side
    143,190.96x = 8,165,138,212.66
  5. Step 5: Solve for x
    x = 8,165,138,212.66/143,190.96
  6. Step 6: Final answer
    x = 57,022.72

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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.