Home / 126,986.32-190,518.96-52,112.56

Finding the Fourth Proportional to 126,986.32, 190,518.96 and 52,112.56

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Solution

The fourth proportional to 126,986.32, 190,518.96 and 52,112.56 is: 78,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.32 : 190,518.96 = 52,112.56 : x
  2. Step 2: Convert to fraction form
    126,986.32/190,518.96 = 52,112.56/x
  3. Step 3: Cross multiply
    126,986.32x = 190,518.96 × 52,112.56
  4. Step 4: Simplify right side
    126,986.32x = 9,928,430,734.14
  5. Step 5: Solve for x
    x = 9,928,430,734.14/126,986.32
  6. Step 6: Final answer
    x = 78,185.04

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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.