Home / 197,905.91-273,124.08-111,865.52

Finding the Fourth Proportional to 197,905.91, 273,124.08 and 111,865.52

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Solution

The fourth proportional to 197,905.91, 273,124.08 and 111,865.52 is: 154,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,905.91 : 273,124.08 = 111,865.52 : x
  2. Step 2: Convert to fraction form
    197,905.91/273,124.08 = 111,865.52/x
  3. Step 3: Cross multiply
    197,905.91x = 273,124.08 × 111,865.52
  4. Step 4: Simplify right side
    197,905.91x = 30,553,167,916.53
  5. Step 5: Solve for x
    x = 30,553,167,916.53/197,905.91
  6. Step 6: Final answer
    x = 154,382.30

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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.