Home / 126,906.41-190,354.66-52,008.55

Finding the Fourth Proportional to 126,906.41, 190,354.66 and 52,008.55

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Solution

The fourth proportional to 126,906.41, 190,354.66 and 52,008.55 is: 78,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.41 : 190,354.66 = 52,008.55 : x
  2. Step 2: Convert to fraction form
    126,906.41/190,354.66 = 52,008.55/x
  3. Step 3: Cross multiply
    126,906.41x = 190,354.66 × 52,008.55
  4. Step 4: Simplify right side
    126,906.41x = 9,900,069,246.43
  5. Step 5: Solve for x
    x = 9,900,069,246.43/126,906.41
  6. Step 6: Final answer
    x = 78,010.79

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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.