Home / 415,832.75-623,826.11-131,594.84

Finding the Fourth Proportional to 415,832.75, 623,826.11 and 131,594.84

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Solution

The fourth proportional to 415,832.75, 623,826.11 and 131,594.84 is: 197,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,832.75 : 623,826.11 = 131,594.84 : x
  2. Step 2: Convert to fraction form
    415,832.75/623,826.11 = 131,594.84/x
  3. Step 3: Cross multiply
    415,832.75x = 623,826.11 × 131,594.84
  4. Step 4: Simplify right side
    415,832.75x = 82,092,297,133.27
  5. Step 5: Solve for x
    x = 82,092,297,133.27/415,832.75
  6. Step 6: Final answer
    x = 197,416.62

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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.