Home / 167,905.11-231,725.40-125,389.83

Finding the Fourth Proportional to 167,905.11, 231,725.40 and 125,389.83

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Solution

The fourth proportional to 167,905.11, 231,725.40 and 125,389.83 is: 173,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,905.11 : 231,725.40 = 125,389.83 : x
  2. Step 2: Convert to fraction form
    167,905.11/231,725.40 = 125,389.83/x
  3. Step 3: Cross multiply
    167,905.11x = 231,725.40 × 125,389.83
  4. Step 4: Simplify right side
    167,905.11x = 29,056,008,512.68
  5. Step 5: Solve for x
    x = 29,056,008,512.68/167,905.11
  6. Step 6: Final answer
    x = 173,050.17

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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.