Finding the Fourth Proportional to 161,635.44, 222,996.57 and 161,386.26
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Solution
The fourth proportional to 161,635.44, 222,996.57 and 161,386.26 is: 222,652.79
Step by Step Solution
- Step 1: Write the proportion equation
161,635.44 : 222,996.57 = 161,386.26 : x - Step 2: Convert to fraction form
161,635.44/222,996.57 = 161,386.26/x - Step 3: Cross multiply
161,635.44x = 222,996.57 × 161,386.26 - Step 4: Simplify right side
161,635.44x = 35,988,582,425.13 - Step 5: Solve for x
x = 35,988,582,425.13/161,635.44 - Step 6: Final answer
x = 222,652.79
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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.