Home / 126,847.34-190,279.89-50,945.88

Finding the Fourth Proportional to 126,847.34, 190,279.89 and 50,945.88

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Solution

The fourth proportional to 126,847.34, 190,279.89 and 50,945.88 is: 76,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,847.34 : 190,279.89 = 50,945.88 : x
  2. Step 2: Convert to fraction form
    126,847.34/190,279.89 = 50,945.88/x
  3. Step 3: Cross multiply
    126,847.34x = 190,279.89 × 50,945.88
  4. Step 4: Simplify right side
    126,847.34x = 9,693,976,442.35
  5. Step 5: Solve for x
    x = 9,693,976,442.35/126,847.34
  6. Step 6: Final answer
    x = 76,422.39

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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.