Home / 195,829.22-270,242.01-109,787.78

Finding the Fourth Proportional to 195,829.22, 270,242.01 and 109,787.78

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Solution

The fourth proportional to 195,829.22, 270,242.01 and 109,787.78 is: 151,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,829.22 : 270,242.01 = 109,787.78 : x
  2. Step 2: Convert to fraction form
    195,829.22/270,242.01 = 109,787.78/x
  3. Step 3: Cross multiply
    195,829.22x = 270,242.01 × 109,787.78
  4. Step 4: Simplify right side
    195,829.22x = 29,669,268,989.43
  5. Step 5: Solve for x
    x = 29,669,268,989.43/195,829.22
  6. Step 6: Final answer
    x = 151,505.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.