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Finding the Fourth Proportional to 187,334.34, 280,714.23 and 127,286.34

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Solution

The fourth proportional to 187,334.34, 280,714.23 and 127,286.34 is: 190,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,334.34 : 280,714.23 = 127,286.34 : x
  2. Step 2: Convert to fraction form
    187,334.34/280,714.23 = 127,286.34/x
  3. Step 3: Cross multiply
    187,334.34x = 280,714.23 × 127,286.34
  4. Step 4: Simplify right side
    187,334.34x = 35,731,086,922.62
  5. Step 5: Solve for x
    x = 35,731,086,922.62/187,334.34
  6. Step 6: Final answer
    x = 190,734.31

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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.