Home / 127,336.20-191,042.70-68,200.20

Finding the Fourth Proportional to 127,336.20, 191,042.70 and 68,200.20

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Solution

The fourth proportional to 127,336.20, 191,042.70 and 68,200.20 is: 102,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,336.20 : 191,042.70 = 68,200.20 : x
  2. Step 2: Convert to fraction form
    127,336.20/191,042.70 = 68,200.20/x
  3. Step 3: Cross multiply
    127,336.20x = 191,042.70 × 68,200.20
  4. Step 4: Simplify right side
    127,336.20x = 13,029,150,348.54
  5. Step 5: Solve for x
    x = 13,029,150,348.54/127,336.20
  6. Step 6: Final answer
    x = 102,320.87

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1.5x scale

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.