Home / 327,629.06-491,443.19-103,009.11

Finding the Fourth Proportional to 327,629.06, 491,443.19 and 103,009.11

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Solution

The fourth proportional to 327,629.06, 491,443.19 and 103,009.11 is: 154,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629.06 : 491,443.19 = 103,009.11 : x
  2. Step 2: Convert to fraction form
    327,629.06/491,443.19 = 103,009.11/x
  3. Step 3: Cross multiply
    327,629.06x = 491,443.19 × 103,009.11
  4. Step 4: Simplify right side
    327,629.06x = 50,623,125,102.42
  5. Step 5: Solve for x
    x = 50,623,125,102.42/327,629.06
  6. Step 6: Final answer
    x = 154,513.54

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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.