Finding the Fourth Proportional to 164,634.93, 227,183.74 and 93,021.62
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Solution
The fourth proportional to 164,634.93, 227,183.74 and 93,021.62 is: 128,362.79
Step by Step Solution
- Step 1: Write the proportion equation
164,634.93 : 227,183.74 = 93,021.62 : x - Step 2: Convert to fraction form
164,634.93/227,183.74 = 93,021.62/x - Step 3: Cross multiply
164,634.93x = 227,183.74 × 93,021.62 - Step 4: Simplify right side
164,634.93x = 21,132,998,163.99 - Step 5: Solve for x
x = 21,132,998,163.99/164,634.93 - Step 6: Final answer
x = 128,362.79
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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.