Home / 126,366.19-189,485.90-42,096.73

Finding the Fourth Proportional to 126,366.19, 189,485.90 and 42,096.73

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Solution

The fourth proportional to 126,366.19, 189,485.90 and 42,096.73 is: 63,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,366.19 : 189,485.90 = 42,096.73 : x
  2. Step 2: Convert to fraction form
    126,366.19/189,485.90 = 42,096.73/x
  3. Step 3: Cross multiply
    126,366.19x = 189,485.90 × 42,096.73
  4. Step 4: Simplify right side
    126,366.19x = 7,976,735,823.68
  5. Step 5: Solve for x
    x = 7,976,735,823.68/126,366.19
  6. Step 6: Final answer
    x = 63,123.97

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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.