Finding the Fourth Proportional to 146,366.44, 201,993.06 and 81,842.92
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Solution
The fourth proportional to 146,366.44, 201,993.06 and 81,842.92 is: 112,947.35
Step by Step Solution
- Step 1: Write the proportion equation
146,366.44 : 201,993.06 = 81,842.92 : x - Step 2: Convert to fraction form
146,366.44/201,993.06 = 81,842.92/x - Step 3: Cross multiply
146,366.44x = 201,993.06 × 81,842.92 - Step 4: Simplify right side
146,366.44x = 16,531,701,850.14 - Step 5: Solve for x
x = 16,531,701,850.14/146,366.44 - Step 6: Final answer
x = 112,947.35
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1.5x scale
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.