Home / 199,205.54-274,896.69-108,559.67

Finding the Fourth Proportional to 199,205.54, 274,896.69 and 108,559.67

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Solution

The fourth proportional to 199,205.54, 274,896.69 and 108,559.67 is: 149,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,205.54 : 274,896.69 = 108,559.67 : x
  2. Step 2: Convert to fraction form
    199,205.54/274,896.69 = 108,559.67/x
  3. Step 3: Cross multiply
    199,205.54x = 274,896.69 × 108,559.67
  4. Step 4: Simplify right side
    199,205.54x = 29,842,693,950.49
  5. Step 5: Solve for x
    x = 29,842,693,950.49/199,205.54
  6. Step 6: Final answer
    x = 149,808.55

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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.