Home / 167,722.70-231,461.56-91,246.10

Finding the Fourth Proportional to 167,722.70, 231,461.56 and 91,246.10

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Solution

The fourth proportional to 167,722.70, 231,461.56 and 91,246.10 is: 125,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,722.70 : 231,461.56 = 91,246.10 : x
  2. Step 2: Convert to fraction form
    167,722.70/231,461.56 = 91,246.10/x
  3. Step 3: Cross multiply
    167,722.70x = 231,461.56 × 91,246.10
  4. Step 4: Simplify right side
    167,722.70x = 21,119,964,649.92
  5. Step 5: Solve for x
    x = 21,119,964,649.92/167,722.70
  6. Step 6: Final answer
    x = 125,921.92

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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.