Home / 163,586.09-225,747.46-91,966.43

Finding the Fourth Proportional to 163,586.09, 225,747.46 and 91,966.43

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Solution

The fourth proportional to 163,586.09, 225,747.46 and 91,966.43 is: 126,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,586.09 : 225,747.46 = 91,966.43 : x
  2. Step 2: Convert to fraction form
    163,586.09/225,747.46 = 91,966.43/x
  3. Step 3: Cross multiply
    163,586.09x = 225,747.46 × 91,966.43
  4. Step 4: Simplify right side
    163,586.09x = 20,761,187,977.77
  5. Step 5: Solve for x
    x = 20,761,187,977.77/163,586.09
  6. Step 6: Final answer
    x = 126,912.92

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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.