Home / 126,481.51-189,382.27-96,352.21

Finding the Fourth Proportional to 126,481.51, 189,382.27 and 96,352.21

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Solution

The fourth proportional to 126,481.51, 189,382.27 and 96,352.21 is: 144,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,481.51 : 189,382.27 = 96,352.21 : x
  2. Step 2: Convert to fraction form
    126,481.51/189,382.27 = 96,352.21/x
  3. Step 3: Cross multiply
    126,481.51x = 189,382.27 × 96,352.21
  4. Step 4: Simplify right side
    126,481.51x = 18,247,399,061.52
  5. Step 5: Solve for x
    x = 18,247,399,061.52/126,481.51
  6. Step 6: Final answer
    x = 144,269.31

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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.