Home / 127,101.44-190,653.60-43,976

Finding the Fourth Proportional to 127,101.44, 190,653.60 and 43,976

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Solution

The fourth proportional to 127,101.44, 190,653.60 and 43,976 is: 65,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.44 : 190,653.60 = 43,976 : x
  2. Step 2: Convert to fraction form
    127,101.44/190,653.60 = 43,976/x
  3. Step 3: Cross multiply
    127,101.44x = 190,653.60 × 43,976
  4. Step 4: Simplify right side
    127,101.44x = 8,384,182,713.60
  5. Step 5: Solve for x
    x = 8,384,182,713.60/127,101.44
  6. Step 6: Final answer
    x = 65,964.50

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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.