Home / 237,201.12-327,456-136,579.68

Finding the Fourth Proportional to 237,201.12, 327,456 and 136,579.68

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Solution

The fourth proportional to 237,201.12, 327,456 and 136,579.68 is: 188,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,201.12 : 327,456 = 136,579.68 : x
  2. Step 2: Convert to fraction form
    237,201.12/327,456 = 136,579.68/x
  3. Step 3: Cross multiply
    237,201.12x = 327,456 × 136,579.68
  4. Step 4: Simplify right side
    237,201.12x = 44,723,835,694.08
  5. Step 5: Solve for x
    x = 44,723,835,694.08/237,201.12
  6. Step 6: Final answer
    x = 188,548.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.