Home / 126,188.32-189,049.20-63,709.60

Finding the Fourth Proportional to 126,188.32, 189,049.20 and 63,709.60

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Solution

The fourth proportional to 126,188.32, 189,049.20 and 63,709.60 is: 95,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,188.32 : 189,049.20 = 63,709.60 : x
  2. Step 2: Convert to fraction form
    126,188.32/189,049.20 = 63,709.60/x
  3. Step 3: Cross multiply
    126,188.32x = 189,049.20 × 63,709.60
  4. Step 4: Simplify right side
    126,188.32x = 12,044,248,912.32
  5. Step 5: Solve for x
    x = 12,044,248,912.32/126,188.32
  6. Step 6: Final answer
    x = 95,446.62

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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.