Home / 327,459.42-491,189.13-117,084.60

Finding the Fourth Proportional to 327,459.42, 491,189.13 and 117,084.60

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Solution

The fourth proportional to 327,459.42, 491,189.13 and 117,084.60 is: 175,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,459.42 : 491,189.13 = 117,084.60 : x
  2. Step 2: Convert to fraction form
    327,459.42/491,189.13 = 117,084.60/x
  3. Step 3: Cross multiply
    327,459.42x = 491,189.13 × 117,084.60
  4. Step 4: Simplify right side
    327,459.42x = 57,510,679,769.03
  5. Step 5: Solve for x
    x = 57,510,679,769.03/327,459.42
  6. Step 6: Final answer
    x = 175,626.89

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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.