Home / 193,576.15-290,349.88-81,251.83

Finding the Fourth Proportional to 193,576.15, 290,349.88 and 81,251.83

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Solution

The fourth proportional to 193,576.15, 290,349.88 and 81,251.83 is: 121,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,576.15 : 290,349.88 = 81,251.83 : x
  2. Step 2: Convert to fraction form
    193,576.15/290,349.88 = 81,251.83/x
  3. Step 3: Cross multiply
    193,576.15x = 290,349.88 × 81,251.83
  4. Step 4: Simplify right side
    193,576.15x = 23,591,459,090.28
  5. Step 5: Solve for x
    x = 23,591,459,090.28/193,576.15
  6. Step 6: Final answer
    x = 121,871.72

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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.