Home / 126,829.56-190,273.50-38,084.75

Finding the Fourth Proportional to 126,829.56, 190,273.50 and 38,084.75

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Solution

The fourth proportional to 126,829.56, 190,273.50 and 38,084.75 is: 57,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,829.56 : 190,273.50 = 38,084.75 : x
  2. Step 2: Convert to fraction form
    126,829.56/190,273.50 = 38,084.75/x
  3. Step 3: Cross multiply
    126,829.56x = 190,273.50 × 38,084.75
  4. Step 4: Simplify right side
    126,829.56x = 7,246,517,632.55
  5. Step 5: Solve for x
    x = 7,246,517,632.55/126,829.56
  6. Step 6: Final answer
    x = 57,135.87

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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.