Finding the Fourth Proportional to 192,725.73, 265,942.80 and 112,163.94
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Solution
The fourth proportional to 192,725.73, 265,942.80 and 112,163.94 is: 154,775.35
Step by Step Solution
- Step 1: Write the proportion equation
192,725.73 : 265,942.80 = 112,163.94 : x - Step 2: Convert to fraction form
192,725.73/265,942.80 = 112,163.94/x - Step 3: Cross multiply
192,725.73x = 265,942.80 × 112,163.94 - Step 4: Simplify right side
192,725.73x = 29,829,192,262.63 - Step 5: Solve for x
x = 29,829,192,262.63/192,725.73 - Step 6: Final answer
x = 154,775.35
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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.