Home / 194,183.42-291,388.35-81,856.76

Finding the Fourth Proportional to 194,183.42, 291,388.35 and 81,856.76

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Solution

The fourth proportional to 194,183.42, 291,388.35 and 81,856.76 is: 122,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,183.42 : 291,388.35 = 81,856.76 : x
  2. Step 2: Convert to fraction form
    194,183.42/291,388.35 = 81,856.76/x
  3. Step 3: Cross multiply
    194,183.42x = 291,388.35 × 81,856.76
  4. Step 4: Simplify right side
    194,183.42x = 23,852,106,232.75
  5. Step 5: Solve for x
    x = 23,852,106,232.75/194,183.42
  6. Step 6: Final answer
    x = 122,832.87

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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.