Home / 126,917.56-190,361.49-51,013.06

Finding the Fourth Proportional to 126,917.56, 190,361.49 and 51,013.06

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Solution

The fourth proportional to 126,917.56, 190,361.49 and 51,013.06 is: 76,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,917.56 : 190,361.49 = 51,013.06 : x
  2. Step 2: Convert to fraction form
    126,917.56/190,361.49 = 51,013.06/x
  3. Step 3: Cross multiply
    126,917.56x = 190,361.49 × 51,013.06
  4. Step 4: Simplify right side
    126,917.56x = 9,710,922,111.06
  5. Step 5: Solve for x
    x = 9,710,922,111.06/126,917.56
  6. Step 6: Final answer
    x = 76,513.62

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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.