Home / 199,225.63-274,923.37-108,579.65

Finding the Fourth Proportional to 199,225.63, 274,923.37 and 108,579.65

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Solution

The fourth proportional to 199,225.63, 274,923.37 and 108,579.65 is: 149,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,225.63 : 274,923.37 = 108,579.65 : x
  2. Step 2: Convert to fraction form
    199,225.63/274,923.37 = 108,579.65/x
  3. Step 3: Cross multiply
    199,225.63x = 274,923.37 × 108,579.65
  4. Step 4: Simplify right side
    199,225.63x = 29,851,083,890.15
  5. Step 5: Solve for x
    x = 29,851,083,890.15/199,225.63
  6. Step 6: Final answer
    x = 149,835.56

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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.