Home / 194,851.12-268,899.60-109,969.60

Finding the Fourth Proportional to 194,851.12, 268,899.60 and 109,969.60

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Solution

The fourth proportional to 194,851.12, 268,899.60 and 109,969.60 is: 151,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,851.12 : 268,899.60 = 109,969.60 : x
  2. Step 2: Convert to fraction form
    194,851.12/268,899.60 = 109,969.60/x
  3. Step 3: Cross multiply
    194,851.12x = 268,899.60 × 109,969.60
  4. Step 4: Simplify right side
    194,851.12x = 29,570,781,452.16
  5. Step 5: Solve for x
    x = 29,570,781,452.16/194,851.12
  6. Step 6: Final answer
    x = 151,760.90

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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.