Home / 126,250.22-189,325.92-47,321.40

Finding the Fourth Proportional to 126,250.22, 189,325.92 and 47,321.40

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Solution

The fourth proportional to 126,250.22, 189,325.92 and 47,321.40 is: 70,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.22 : 189,325.92 = 47,321.40 : x
  2. Step 2: Convert to fraction form
    126,250.22/189,325.92 = 47,321.40/x
  3. Step 3: Cross multiply
    126,250.22x = 189,325.92 × 47,321.40
  4. Step 4: Simplify right side
    126,250.22x = 8,959,167,590.69
  5. Step 5: Solve for x
    x = 8,959,167,590.69/126,250.22
  6. Step 6: Final answer
    x = 70,963.58

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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.