Home / 143,183.43-197,528.36-92,177.87

Finding the Fourth Proportional to 143,183.43, 197,528.36 and 92,177.87

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Solution

The fourth proportional to 143,183.43, 197,528.36 and 92,177.87 is: 127,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,183.43 : 197,528.36 = 92,177.87 : x
  2. Step 2: Convert to fraction form
    143,183.43/197,528.36 = 92,177.87/x
  3. Step 3: Cross multiply
    143,183.43x = 197,528.36 × 92,177.87
  4. Step 4: Simplify right side
    143,183.43x = 18,207,742,040.86
  5. Step 5: Solve for x
    x = 18,207,742,040.86/143,183.43
  6. Step 6: Final answer
    x = 127,163.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.