Home / 327,736.80-491,605.20-117,381.60

Finding the Fourth Proportional to 327,736.80, 491,605.20 and 117,381.60

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Solution

The fourth proportional to 327,736.80, 491,605.20 and 117,381.60 is: 176,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,736.80 : 491,605.20 = 117,381.60 : x
  2. Step 2: Convert to fraction form
    327,736.80/491,605.20 = 117,381.60/x
  3. Step 3: Cross multiply
    327,736.80x = 491,605.20 × 117,381.60
  4. Step 4: Simplify right side
    327,736.80x = 57,705,404,944.32
  5. Step 5: Solve for x
    x = 57,705,404,944.32/327,736.80
  6. Step 6: Final answer
    x = 176,072.40

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1.5x scale

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.