Finding the Fourth Proportional to 207,498.97, 286,375.98 and 116,872.84
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Solution
The fourth proportional to 207,498.97, 286,375.98 and 116,872.84 is: 161,299.95
Step by Step Solution
- Step 1: Write the proportion equation
207,498.97 : 286,375.98 = 116,872.84 : x - Step 2: Convert to fraction form
207,498.97/286,375.98 = 116,872.84/x - Step 3: Cross multiply
207,498.97x = 286,375.98 × 116,872.84 - Step 4: Simplify right side
207,498.97x = 33,469,574,090.38 - Step 5: Solve for x
x = 33,469,574,090.38/207,498.97 - Step 6: Final answer
x = 161,299.95
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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.