Home / 199,047.30-274,685.57-108,403.66

Finding the Fourth Proportional to 199,047.30, 274,685.57 and 108,403.66

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Solution

The fourth proportional to 199,047.30, 274,685.57 and 108,403.66 is: 149,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,047.30 : 274,685.57 = 108,403.66 : x
  2. Step 2: Convert to fraction form
    199,047.30/274,685.57 = 108,403.66/x
  3. Step 3: Cross multiply
    199,047.30x = 274,685.57 × 108,403.66
  4. Step 4: Simplify right side
    199,047.30x = 29,776,921,137.19
  5. Step 5: Solve for x
    x = 29,776,921,137.19/199,047.30
  6. Step 6: Final answer
    x = 149,597.21

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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.