Home / 197,188.38-272,022-116,576.64

Finding the Fourth Proportional to 197,188.38, 272,022 and 116,576.64

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Solution

The fourth proportional to 197,188.38, 272,022 and 116,576.64 is: 160,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,188.38 : 272,022 = 116,576.64 : x
  2. Step 2: Convert to fraction form
    197,188.38/272,022 = 116,576.64/x
  3. Step 3: Cross multiply
    197,188.38x = 272,022 × 116,576.64
  4. Step 4: Simplify right side
    197,188.38x = 31,711,410,766.08
  5. Step 5: Solve for x
    x = 31,711,410,766.08/197,188.38
  6. Step 6: Final answer
    x = 160,817.85

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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.