Home / 167,947.17-231,749.96-103,406.17

Finding the Fourth Proportional to 167,947.17, 231,749.96 and 103,406.17

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Solution

The fourth proportional to 167,947.17, 231,749.96 and 103,406.17 is: 142,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,947.17 : 231,749.96 = 103,406.17 : x
  2. Step 2: Convert to fraction form
    167,947.17/231,749.96 = 103,406.17/x
  3. Step 3: Cross multiply
    167,947.17x = 231,749.96 × 103,406.17
  4. Step 4: Simplify right side
    167,947.17x = 23,964,375,761.25
  5. Step 5: Solve for x
    x = 23,964,375,761.25/167,947.17
  6. Step 6: Final answer
    x = 142,689.96

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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.