Home / 206,839.72-285,438.54-116,198.20

Finding the Fourth Proportional to 206,839.72, 285,438.54 and 116,198.20

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Solution

The fourth proportional to 206,839.72, 285,438.54 and 116,198.20 is: 160,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,839.72 : 285,438.54 = 116,198.20 : x
  2. Step 2: Convert to fraction form
    206,839.72/285,438.54 = 116,198.20/x
  3. Step 3: Cross multiply
    206,839.72x = 285,438.54 × 116,198.20
  4. Step 4: Simplify right side
    206,839.72x = 33,167,444,558.63
  5. Step 5: Solve for x
    x = 33,167,444,558.63/206,839.72
  6. Step 6: Final answer
    x = 160,353.36

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1.5x scale

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.