Home / 163,631.49-225,812.80-92,010.88

Finding the Fourth Proportional to 163,631.49, 225,812.80 and 92,010.88

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Solution

The fourth proportional to 163,631.49, 225,812.80 and 92,010.88 is: 126,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,631.49 : 225,812.80 = 92,010.88 : x
  2. Step 2: Convert to fraction form
    163,631.49/225,812.80 = 92,010.88/x
  3. Step 3: Cross multiply
    163,631.49x = 225,812.80 × 92,010.88
  4. Step 4: Simplify right side
    163,631.49x = 20,777,235,635.10
  5. Step 5: Solve for x
    x = 20,777,235,635.10/163,631.49
  6. Step 6: Final answer
    x = 126,975.78

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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.