Home / 264,917.93-397,321.25-87,383.34

Finding the Fourth Proportional to 264,917.93, 397,321.25 and 87,383.34

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Solution

The fourth proportional to 264,917.93, 397,321.25 and 87,383.34 is: 131,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,917.93 : 397,321.25 = 87,383.34 : x
  2. Step 2: Convert to fraction form
    264,917.93/397,321.25 = 87,383.34/x
  3. Step 3: Cross multiply
    264,917.93x = 397,321.25 × 87,383.34
  4. Step 4: Simplify right side
    264,917.93x = 34,719,257,441.06
  5. Step 5: Solve for x
    x = 34,719,257,441.06/264,917.93
  6. Step 6: Final answer
    x = 131,056.66

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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.