Home / 203,858.20-305,787.30-190,736.20

Finding the Fourth Proportional to 203,858.20, 305,787.30 and 190,736.20

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Solution

The fourth proportional to 203,858.20, 305,787.30 and 190,736.20 is: 286,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,858.20 : 305,787.30 = 190,736.20 : x
  2. Step 2: Convert to fraction form
    203,858.20/305,787.30 = 190,736.20/x
  3. Step 3: Cross multiply
    203,858.20x = 305,787.30 × 190,736.20
  4. Step 4: Simplify right side
    203,858.20x = 58,324,707,610.26
  5. Step 5: Solve for x
    x = 58,324,707,610.26/203,858.20
  6. Step 6: Final answer
    x = 286,104.30

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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.