Home / 167,983.35-231,808.28-104,319.78

Finding the Fourth Proportional to 167,983.35, 231,808.28 and 104,319.78

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Solution

The fourth proportional to 167,983.35, 231,808.28 and 104,319.78 is: 143,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,983.35 : 231,808.28 = 104,319.78 : x
  2. Step 2: Convert to fraction form
    167,983.35/231,808.28 = 104,319.78/x
  3. Step 3: Cross multiply
    167,983.35x = 231,808.28 × 104,319.78
  4. Step 4: Simplify right side
    167,983.35x = 24,182,188,250.18
  5. Step 5: Solve for x
    x = 24,182,188,250.18/167,983.35
  6. Step 6: Final answer
    x = 143,955.86

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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.