Finding the Fourth Proportional to 135,198.80, 186,568.69 and 73,944
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Solution
The fourth proportional to 135,198.80, 186,568.69 and 73,944 is: 102,039.63
Step by Step Solution
- Step 1: Write the proportion equation
135,198.80 : 186,568.69 = 73,944 : x - Step 2: Convert to fraction form
135,198.80/186,568.69 = 73,944/x - Step 3: Cross multiply
135,198.80x = 186,568.69 × 73,944 - Step 4: Simplify right side
135,198.80x = 13,795,635,213.36 - Step 5: Solve for x
x = 13,795,635,213.36/135,198.80 - Step 6: Final answer
x = 102,039.63
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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.