Home / 126,852.78-190,290.42-33,358.53

Finding the Fourth Proportional to 126,852.78, 190,290.42 and 33,358.53

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Solution

The fourth proportional to 126,852.78, 190,290.42 and 33,358.53 is: 50,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,852.78 : 190,290.42 = 33,358.53 : x
  2. Step 2: Convert to fraction form
    126,852.78/190,290.42 = 33,358.53/x
  3. Step 3: Cross multiply
    126,852.78x = 190,290.42 × 33,358.53
  4. Step 4: Simplify right side
    126,852.78x = 6,347,809,397.87
  5. Step 5: Solve for x
    x = 6,347,809,397.87/126,852.78
  6. Step 6: Final answer
    x = 50,040.76

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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.