Home / 193,576.04-290,349.68-81,251.72

Finding the Fourth Proportional to 193,576.04, 290,349.68 and 81,251.72

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Solution

The fourth proportional to 193,576.04, 290,349.68 and 81,251.72 is: 121,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,576.04 : 290,349.68 = 81,251.72 : x
  2. Step 2: Convert to fraction form
    193,576.04/290,349.68 = 81,251.72/x
  3. Step 3: Cross multiply
    193,576.04x = 290,349.68 × 81,251.72
  4. Step 4: Simplify right side
    193,576.04x = 23,591,409,652.83
  5. Step 5: Solve for x
    x = 23,591,409,652.83/193,576.04
  6. Step 6: Final answer
    x = 121,871.54

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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.