Home / 167,236.98-230,831.28-103,538.58

Finding the Fourth Proportional to 167,236.98, 230,831.28 and 103,538.58

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Solution

The fourth proportional to 167,236.98, 230,831.28 and 103,538.58 is: 142,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,236.98 : 230,831.28 = 103,538.58 : x
  2. Step 2: Convert to fraction form
    167,236.98/230,831.28 = 103,538.58/x
  3. Step 3: Cross multiply
    167,236.98x = 230,831.28 × 103,538.58
  4. Step 4: Simplify right side
    167,236.98x = 23,899,942,950.78
  5. Step 5: Solve for x
    x = 23,899,942,950.78/167,236.98
  6. Step 6: Final answer
    x = 142,910.63

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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.