Home / 126,382.76-189,439.42-95,121.32

Finding the Fourth Proportional to 126,382.76, 189,439.42 and 95,121.32

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Solution

The fourth proportional to 126,382.76, 189,439.42 and 95,121.32 is: 142,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,382.76 : 189,439.42 = 95,121.32 : x
  2. Step 2: Convert to fraction form
    126,382.76/189,439.42 = 95,121.32/x
  3. Step 3: Cross multiply
    126,382.76x = 189,439.42 × 95,121.32
  4. Step 4: Simplify right side
    126,382.76x = 18,019,727,690.43
  5. Step 5: Solve for x
    x = 18,019,727,690.43/126,382.76
  6. Step 6: Final answer
    x = 142,580.58

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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.