Finding the Fourth Proportional to 192,636.36, 265,832.28 and 107,753.76
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Solution
The fourth proportional to 192,636.36, 265,832.28 and 107,753.76 is: 148,696.89
Step by Step Solution
- Step 1: Write the proportion equation
192,636.36 : 265,832.28 = 107,753.76 : x - Step 2: Convert to fraction form
192,636.36/265,832.28 = 107,753.76/x - Step 3: Cross multiply
192,636.36x = 265,832.28 × 107,753.76 - Step 4: Simplify right side
192,636.36x = 28,644,427,699.37 - Step 5: Solve for x
x = 28,644,427,699.37/192,636.36 - Step 6: Final answer
x = 148,696.89
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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.