Home / 194,150.28-291,181.51-75,760.68

Finding the Fourth Proportional to 194,150.28, 291,181.51 and 75,760.68

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Solution

The fourth proportional to 194,150.28, 291,181.51 and 75,760.68 is: 113,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,150.28 : 291,181.51 = 75,760.68 : x
  2. Step 2: Convert to fraction form
    194,150.28/291,181.51 = 75,760.68/x
  3. Step 3: Cross multiply
    194,150.28x = 291,181.51 × 75,760.68
  4. Step 4: Simplify right side
    194,150.28x = 22,060,109,201.03
  5. Step 5: Solve for x
    x = 22,060,109,201.03/194,150.28
  6. Step 6: Final answer
    x = 113,623.89

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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.