Home / 133,517.16-200,256.30-80,912.52

Finding the Fourth Proportional to 133,517.16, 200,256.30 and 80,912.52

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Solution

The fourth proportional to 133,517.16, 200,256.30 and 80,912.52 is: 121,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,517.16 : 200,256.30 = 80,912.52 : x
  2. Step 2: Convert to fraction form
    133,517.16/200,256.30 = 80,912.52/x
  3. Step 3: Cross multiply
    133,517.16x = 200,256.30 × 80,912.52
  4. Step 4: Simplify right side
    133,517.16x = 16,203,241,878.88
  5. Step 5: Solve for x
    x = 16,203,241,878.88/133,517.16
  6. Step 6: Final answer
    x = 121,357.00

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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.