Home / 126,836.81-190,264.09-50,935.33

Finding the Fourth Proportional to 126,836.81, 190,264.09 and 50,935.33

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Solution

The fourth proportional to 126,836.81, 190,264.09 and 50,935.33 is: 76,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,836.81 : 190,264.09 = 50,935.33 : x
  2. Step 2: Convert to fraction form
    126,836.81/190,264.09 = 50,935.33/x
  3. Step 3: Cross multiply
    126,836.81x = 190,264.09 × 50,935.33
  4. Step 4: Simplify right side
    126,836.81x = 9,691,164,938.72
  5. Step 5: Solve for x
    x = 9,691,164,938.72/126,836.81
  6. Step 6: Final answer
    x = 76,406.57

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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.