Finding the Fourth Proportional to 192,409.36, 265,353.06 and 120,796.12
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Solution
The fourth proportional to 192,409.36, 265,353.06 and 120,796.12 is: 166,590.75
Step by Step Solution
- Step 1: Write the proportion equation
192,409.36 : 265,353.06 = 120,796.12 : x - Step 2: Convert to fraction form
192,409.36/265,353.06 = 120,796.12/x - Step 3: Cross multiply
192,409.36x = 265,353.06 × 120,796.12 - Step 4: Simplify right side
192,409.36x = 32,053,620,078.13 - Step 5: Solve for x
x = 32,053,620,078.13/192,409.36 - Step 6: Final answer
x = 166,590.75
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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.