Home / 127,081.44-190,623.60-43,956

Finding the Fourth Proportional to 127,081.44, 190,623.60 and 43,956

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Solution

The fourth proportional to 127,081.44, 190,623.60 and 43,956 is: 65,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,081.44 : 190,623.60 = 43,956 : x
  2. Step 2: Convert to fraction form
    127,081.44/190,623.60 = 43,956/x
  3. Step 3: Cross multiply
    127,081.44x = 190,623.60 × 43,956
  4. Step 4: Simplify right side
    127,081.44x = 8,379,050,961.60
  5. Step 5: Solve for x
    x = 8,379,050,961.60/127,081.44
  6. Step 6: Final answer
    x = 65,934.50

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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.