Home / 328,094.90-491,158.20-194,906.60

Finding the Fourth Proportional to 328,094.90, 491,158.20 and 194,906.60

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Solution

The fourth proportional to 328,094.90, 491,158.20 and 194,906.60 is: 291,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094.90 : 491,158.20 = 194,906.60 : x
  2. Step 2: Convert to fraction form
    328,094.90/491,158.20 = 194,906.60/x
  3. Step 3: Cross multiply
    328,094.90x = 491,158.20 × 194,906.60
  4. Step 4: Simplify right side
    328,094.90x = 95,729,974,824.12
  5. Step 5: Solve for x
    x = 95,729,974,824.12/328,094.90
  6. Step 6: Final answer
    x = 291,775.26

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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.