Home / 126,890.54-190,321.09-33,403.58

Finding the Fourth Proportional to 126,890.54, 190,321.09 and 33,403.58

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Solution

The fourth proportional to 126,890.54, 190,321.09 and 33,403.58 is: 50,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,890.54 : 190,321.09 = 33,403.58 : x
  2. Step 2: Convert to fraction form
    126,890.54/190,321.09 = 33,403.58/x
  3. Step 3: Cross multiply
    126,890.54x = 190,321.09 × 33,403.58
  4. Step 4: Simplify right side
    126,890.54x = 6,357,405,755.50
  5. Step 5: Solve for x
    x = 6,357,405,755.50/126,890.54
  6. Step 6: Final answer
    x = 50,101.50

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1.5x scale

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.