Home / 327,255.36-490,825.44-87,372.24

Finding the Fourth Proportional to 327,255.36, 490,825.44 and 87,372.24

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Solution

The fourth proportional to 327,255.36, 490,825.44 and 87,372.24 is: 131,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,255.36 : 490,825.44 = 87,372.24 : x
  2. Step 2: Convert to fraction form
    327,255.36/490,825.44 = 87,372.24/x
  3. Step 3: Cross multiply
    327,255.36x = 490,825.44 × 87,372.24
  4. Step 4: Simplify right side
    327,255.36x = 42,884,518,141.79
  5. Step 5: Solve for x
    x = 42,884,518,141.79/327,255.36
  6. Step 6: Final answer
    x = 131,042.98

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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.