Home / 143,190.46-214,769.01-38,017.60

Finding the Fourth Proportional to 143,190.46, 214,769.01 and 38,017.60

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Solution

The fourth proportional to 143,190.46, 214,769.01 and 38,017.60 is: 57,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,190.46 : 214,769.01 = 38,017.60 : x
  2. Step 2: Convert to fraction form
    143,190.46/214,769.01 = 38,017.60/x
  3. Step 3: Cross multiply
    143,190.46x = 214,769.01 × 38,017.60
  4. Step 4: Simplify right side
    143,190.46x = 8,165,002,314.58
  5. Step 5: Solve for x
    x = 8,165,002,314.58/143,190.46
  6. Step 6: Final answer
    x = 57,021.97

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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.