Home / 199,140.72-274,811.67-108,500.46

Finding the Fourth Proportional to 199,140.72, 274,811.67 and 108,500.46

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Solution

The fourth proportional to 199,140.72, 274,811.67 and 108,500.46 is: 149,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,140.72 : 274,811.67 = 108,500.46 : x
  2. Step 2: Convert to fraction form
    199,140.72/274,811.67 = 108,500.46/x
  3. Step 3: Cross multiply
    199,140.72x = 274,811.67 × 108,500.46
  4. Step 4: Simplify right side
    199,140.72x = 29,817,192,608.37
  5. Step 5: Solve for x
    x = 29,817,192,608.37/199,140.72
  6. Step 6: Final answer
    x = 149,729.26

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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.