Home / 126,260.22-189,340.92-47,331.42

Finding the Fourth Proportional to 126,260.22, 189,340.92 and 47,331.42

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Solution

The fourth proportional to 126,260.22, 189,340.92 and 47,331.42 is: 70,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,260.22 : 189,340.92 = 47,331.42 : x
  2. Step 2: Convert to fraction form
    126,260.22/189,340.92 = 47,331.42/x
  3. Step 3: Cross multiply
    126,260.22x = 189,340.92 × 47,331.42
  4. Step 4: Simplify right side
    126,260.22x = 8,961,774,607.71
  5. Step 5: Solve for x
    x = 8,961,774,607.71/126,260.22
  6. Step 6: Final answer
    x = 70,978.61

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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.