Home / 127,299.20-190,976.34-48,414.92

Finding the Fourth Proportional to 127,299.20, 190,976.34 and 48,414.92

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Solution

The fourth proportional to 127,299.20, 190,976.34 and 48,414.92 is: 72,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.20 : 190,976.34 = 48,414.92 : x
  2. Step 2: Convert to fraction form
    127,299.20/190,976.34 = 48,414.92/x
  3. Step 3: Cross multiply
    127,299.20x = 190,976.34 × 48,414.92
  4. Step 4: Simplify right side
    127,299.20x = 9,246,104,222.99
  5. Step 5: Solve for x
    x = 9,246,104,222.99/127,299.20
  6. Step 6: Final answer
    x = 72,632.85

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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.