Home / 127,190.56-190,785.68-48,304.64

Finding the Fourth Proportional to 127,190.56, 190,785.68 and 48,304.64

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Solution

The fourth proportional to 127,190.56, 190,785.68 and 48,304.64 is: 72,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190.56 : 190,785.68 = 48,304.64 : x
  2. Step 2: Convert to fraction form
    127,190.56/190,785.68 = 48,304.64/x
  3. Step 3: Cross multiply
    127,190.56x = 190,785.68 × 48,304.64
  4. Step 4: Simplify right side
    127,190.56x = 9,215,833,589.56
  5. Step 5: Solve for x
    x = 9,215,833,589.56/127,190.56
  6. Step 6: Final answer
    x = 72,456.90

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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.