Finding the Fourth Proportional to 141,674.19, 195,504.08 and 81,201.48
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Solution
The fourth proportional to 141,674.19, 195,504.08 and 81,201.48 is: 112,054.43
Step by Step Solution
- Step 1: Write the proportion equation
141,674.19 : 195,504.08 = 81,201.48 : x - Step 2: Convert to fraction form
141,674.19/195,504.08 = 81,201.48/x - Step 3: Cross multiply
141,674.19x = 195,504.08 × 81,201.48 - Step 4: Simplify right side
141,674.19x = 15,875,220,236.03 - Step 5: Solve for x
x = 15,875,220,236.03/141,674.19 - Step 6: Final answer
x = 112,054.43
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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.