Home / 142,992.27-197,338.28-82,573.97

Finding the Fourth Proportional to 142,992.27, 197,338.28 and 82,573.97

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Solution

The fourth proportional to 142,992.27, 197,338.28 and 82,573.97 is: 113,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,992.27 : 197,338.28 = 82,573.97 : x
  2. Step 2: Convert to fraction form
    142,992.27/197,338.28 = 82,573.97/x
  3. Step 3: Cross multiply
    142,992.27x = 197,338.28 × 82,573.97
  4. Step 4: Simplify right side
    142,992.27x = 16,295,003,813.01
  5. Step 5: Solve for x
    x = 16,295,003,813.01/142,992.27
  6. Step 6: Final answer
    x = 113,957.24

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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.