Finding the Fourth Proportional to 188,449.44, 259,944.84 and 111,916.68
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Solution
The fourth proportional to 188,449.44, 259,944.84 and 111,916.68 is: 154,376.49
Step by Step Solution
- Step 1: Write the proportion equation
188,449.44 : 259,944.84 = 111,916.68 : x - Step 2: Convert to fraction form
188,449.44/259,944.84 = 111,916.68/x - Step 3: Cross multiply
188,449.44x = 259,944.84 × 111,916.68 - Step 4: Simplify right side
188,449.44x = 29,092,163,475.93 - Step 5: Solve for x
x = 29,092,163,475.93/188,449.44 - Step 6: Final answer
x = 154,376.49
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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.