Home / 126,197.61-189,240.99-47,256.48

Finding the Fourth Proportional to 126,197.61, 189,240.99 and 47,256.48

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Solution

The fourth proportional to 126,197.61, 189,240.99 and 47,256.48 is: 70,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,197.61 : 189,240.99 = 47,256.48 : x
  2. Step 2: Convert to fraction form
    126,197.61/189,240.99 = 47,256.48/x
  3. Step 3: Cross multiply
    126,197.61x = 189,240.99 × 47,256.48
  4. Step 4: Simplify right side
    126,197.61x = 8,942,863,059.12
  5. Step 5: Solve for x
    x = 8,942,863,059.12/126,197.61
  6. Step 6: Final answer
    x = 70,863.97

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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.