Home / 131,576.48-197,414.28-79,022.60

Finding the Fourth Proportional to 131,576.48, 197,414.28 and 79,022.60

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Solution

The fourth proportional to 131,576.48, 197,414.28 and 79,022.60 is: 118,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.48 : 197,414.28 = 79,022.60 : x
  2. Step 2: Convert to fraction form
    131,576.48/197,414.28 = 79,022.60/x
  3. Step 3: Cross multiply
    131,576.48x = 197,414.28 × 79,022.60
  4. Step 4: Simplify right side
    131,576.48x = 15,600,189,682.73
  5. Step 5: Solve for x
    x = 15,600,189,682.73/131,576.48
  6. Step 6: Final answer
    x = 118,563.66

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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.