Home / 126,249.22-189,324.42-47,320.39

Finding the Fourth Proportional to 126,249.22, 189,324.42 and 47,320.39

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Solution

The fourth proportional to 126,249.22, 189,324.42 and 47,320.39 is: 70,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.22 : 189,324.42 = 47,320.39 : x
  2. Step 2: Convert to fraction form
    126,249.22/189,324.42 = 47,320.39/x
  3. Step 3: Cross multiply
    126,249.22x = 189,324.42 × 47,320.39
  4. Step 4: Simplify right side
    126,249.22x = 8,958,905,390.92
  5. Step 5: Solve for x
    x = 8,958,905,390.92/126,249.22
  6. Step 6: Final answer
    x = 70,962.07

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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.