Finding the Fourth Proportional to 192,664.49, 265,930.49 and 112,107.63
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Solution
The fourth proportional to 192,664.49, 265,930.49 and 112,107.63 is: 154,739.66
Step by Step Solution
- Step 1: Write the proportion equation
192,664.49 : 265,930.49 = 112,107.63 : x - Step 2: Convert to fraction form
192,664.49/265,930.49 = 112,107.63/x - Step 3: Cross multiply
192,664.49x = 265,930.49 × 112,107.63 - Step 4: Simplify right side
192,664.49x = 29,812,836,418.10 - Step 5: Solve for x
x = 29,812,836,418.10/192,664.49 - Step 6: Final answer
x = 154,739.66
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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.