Home / 338,839.56-467,654.58-187,985.16

Finding the Fourth Proportional to 338,839.56, 467,654.58 and 187,985.16

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Solution

The fourth proportional to 338,839.56, 467,654.58 and 187,985.16 is: 259,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,839.56 : 467,654.58 = 187,985.16 : x
  2. Step 2: Convert to fraction form
    338,839.56/467,654.58 = 187,985.16/x
  3. Step 3: Cross multiply
    338,839.56x = 467,654.58 × 187,985.16
  4. Step 4: Simplify right side
    338,839.56x = 87,912,121,046.03
  5. Step 5: Solve for x
    x = 87,912,121,046.03/338,839.56
  6. Step 6: Final answer
    x = 259,450.58

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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.