Home / 167,406.45-251,275.06-87,523.54

Finding the Fourth Proportional to 167,406.45, 251,275.06 and 87,523.54

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Solution

The fourth proportional to 167,406.45, 251,275.06 and 87,523.54 is: 131,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,406.45 : 251,275.06 = 87,523.54 : x
  2. Step 2: Convert to fraction form
    167,406.45/251,275.06 = 87,523.54/x
  3. Step 3: Cross multiply
    167,406.45x = 251,275.06 × 87,523.54
  4. Step 4: Simplify right side
    167,406.45x = 21,992,482,246.13
  5. Step 5: Solve for x
    x = 21,992,482,246.13/167,406.45
  6. Step 6: Final answer
    x = 131,371.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.