Finding the Fourth Proportional to 161,593.81, 222,791.01 and 132,413.68
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Solution
The fourth proportional to 161,593.81, 222,791.01 and 132,413.68 is: 182,560.07
Step by Step Solution
- Step 1: Write the proportion equation
161,593.81 : 222,791.01 = 132,413.68 : x - Step 2: Convert to fraction form
161,593.81/222,791.01 = 132,413.68/x - Step 3: Cross multiply
161,593.81x = 222,791.01 × 132,413.68 - Step 4: Simplify right side
161,593.81x = 29,500,577,505.02 - Step 5: Solve for x
x = 29,500,577,505.02/161,593.81 - Step 6: Final answer
x = 182,560.07
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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.