Home / 167,947.18-231,749.96-103,406.18

Finding the Fourth Proportional to 167,947.18, 231,749.96 and 103,406.18

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Solution

The fourth proportional to 167,947.18, 231,749.96 and 103,406.18 is: 142,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,947.18 : 231,749.96 = 103,406.18 : x
  2. Step 2: Convert to fraction form
    167,947.18/231,749.96 = 103,406.18/x
  3. Step 3: Cross multiply
    167,947.18x = 231,749.96 × 103,406.18
  4. Step 4: Simplify right side
    167,947.18x = 23,964,378,078.75
  5. Step 5: Solve for x
    x = 23,964,378,078.75/167,947.18
  6. Step 6: Final answer
    x = 142,689.97

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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.