Home / 126,811.40-190,202.70-33,326.60

Finding the Fourth Proportional to 126,811.40, 190,202.70 and 33,326.60

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Solution

The fourth proportional to 126,811.40, 190,202.70 and 33,326.60 is: 49,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,811.40 : 190,202.70 = 33,326.60 : x
  2. Step 2: Convert to fraction form
    126,811.40/190,202.70 = 33,326.60/x
  3. Step 3: Cross multiply
    126,811.40x = 190,202.70 × 33,326.60
  4. Step 4: Simplify right side
    126,811.40x = 6,338,809,301.82
  5. Step 5: Solve for x
    x = 6,338,809,301.82/126,811.40
  6. Step 6: Final answer
    x = 49,986.12

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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.