Home / 194,629.20-291,416.04-100,938.12

Finding the Fourth Proportional to 194,629.20, 291,416.04 and 100,938.12

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Solution

The fourth proportional to 194,629.20, 291,416.04 and 100,938.12 is: 151,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,629.20 : 291,416.04 = 100,938.12 : x
  2. Step 2: Convert to fraction form
    194,629.20/291,416.04 = 100,938.12/x
  3. Step 3: Cross multiply
    194,629.20x = 291,416.04 × 100,938.12
  4. Step 4: Simplify right side
    194,629.20x = 29,414,987,215.44
  5. Step 5: Solve for x
    x = 29,414,987,215.44/194,629.20
  6. Step 6: Final answer
    x = 151,133.47

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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.