Home / 197,455.82-272,488.24-106,811.68

Finding the Fourth Proportional to 197,455.82, 272,488.24 and 106,811.68

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Solution

The fourth proportional to 197,455.82, 272,488.24 and 106,811.68 is: 147,399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,455.82 : 272,488.24 = 106,811.68 : x
  2. Step 2: Convert to fraction form
    197,455.82/272,488.24 = 106,811.68/x
  3. Step 3: Cross multiply
    197,455.82x = 272,488.24 × 106,811.68
  4. Step 4: Simplify right side
    197,455.82x = 29,104,926,694.64
  5. Step 5: Solve for x
    x = 29,104,926,694.64/197,455.82
  6. Step 6: Final answer
    x = 147,399.69

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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.