Home / 126,796.20-190,163.46-42,534.51

Finding the Fourth Proportional to 126,796.20, 190,163.46 and 42,534.51

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Solution

The fourth proportional to 126,796.20, 190,163.46 and 42,534.51 is: 63,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,796.20 : 190,163.46 = 42,534.51 : x
  2. Step 2: Convert to fraction form
    126,796.20/190,163.46 = 42,534.51/x
  3. Step 3: Cross multiply
    126,796.20x = 190,163.46 × 42,534.51
  4. Step 4: Simplify right side
    126,796.20x = 8,088,509,591.00
  5. Step 5: Solve for x
    x = 8,088,509,591.00/126,796.20
  6. Step 6: Final answer
    x = 63,791.42

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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.