Home / 126,891.40-190,321.90-33,404.52

Finding the Fourth Proportional to 126,891.40, 190,321.90 and 33,404.52

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Solution

The fourth proportional to 126,891.40, 190,321.90 and 33,404.52 is: 50,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,891.40 : 190,321.90 = 33,404.52 : x
  2. Step 2: Convert to fraction form
    126,891.40/190,321.90 = 33,404.52/x
  3. Step 3: Cross multiply
    126,891.40x = 190,321.90 × 33,404.52
  4. Step 4: Simplify right side
    126,891.40x = 6,357,611,714.99
  5. Step 5: Solve for x
    x = 6,357,611,714.99/126,891.40
  6. Step 6: Final answer
    x = 50,102.78

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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.