Home / 194,464.60-291,236.10-131,795.80

Finding the Fourth Proportional to 194,464.60, 291,236.10 and 131,795.80

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Solution

The fourth proportional to 194,464.60, 291,236.10 and 131,795.80 is: 197,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,464.60 : 291,236.10 = 131,795.80 : x
  2. Step 2: Convert to fraction form
    194,464.60/291,236.10 = 131,795.80/x
  3. Step 3: Cross multiply
    194,464.60x = 291,236.10 × 131,795.80
  4. Step 4: Simplify right side
    194,464.60x = 38,383,694,788.38
  5. Step 5: Solve for x
    x = 38,383,694,788.38/194,464.60
  6. Step 6: Final answer
    x = 197,381.40

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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.