Finding the Fourth Proportional to 236,093.19, 325,799.11 and 128,660.91
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Solution
The fourth proportional to 236,093.19, 325,799.11 and 128,660.91 is: 177,546.88
Step by Step Solution
- Step 1: Write the proportion equation
236,093.19 : 325,799.11 = 128,660.91 : x - Step 2: Convert to fraction form
236,093.19/325,799.11 = 128,660.91/x - Step 3: Cross multiply
236,093.19x = 325,799.11 × 128,660.91 - Step 4: Simplify right side
236,093.19x = 41,917,609,969.79 - Step 5: Solve for x
x = 41,917,609,969.79/236,093.19 - Step 6: Final answer
x = 177,546.88
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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.