Home / 126,966.30-190,462.41-43,849.50

Finding the Fourth Proportional to 126,966.30, 190,462.41 and 43,849.50

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Solution

The fourth proportional to 126,966.30, 190,462.41 and 43,849.50 is: 65,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,966.30 : 190,462.41 = 43,849.50 : x
  2. Step 2: Convert to fraction form
    126,966.30/190,462.41 = 43,849.50/x
  3. Step 3: Cross multiply
    126,966.30x = 190,462.41 × 43,849.50
  4. Step 4: Simplify right side
    126,966.30x = 8,351,681,447.30
  5. Step 5: Solve for x
    x = 8,351,681,447.30/126,966.30
  6. Step 6: Final answer
    x = 65,778.73

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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.