Home / 197,864.08-273,059.40-112,979.60

Finding the Fourth Proportional to 197,864.08, 273,059.40 and 112,979.60

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Solution

The fourth proportional to 197,864.08, 273,059.40 and 112,979.60 is: 155,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,864.08 : 273,059.40 = 112,979.60 : x
  2. Step 2: Convert to fraction form
    197,864.08/273,059.40 = 112,979.60/x
  3. Step 3: Cross multiply
    197,864.08x = 273,059.40 × 112,979.60
  4. Step 4: Simplify right side
    197,864.08x = 30,850,141,788.24
  5. Step 5: Solve for x
    x = 30,850,141,788.24/197,864.08
  6. Step 6: Final answer
    x = 155,915.83

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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.