Finding the Fourth Proportional to 192,387.42, 265,531.16 and 126,860.92
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Solution
The fourth proportional to 192,387.42, 265,531.16 and 126,860.92 is: 175,092.15
Step by Step Solution
- Step 1: Write the proportion equation
192,387.42 : 265,531.16 = 126,860.92 : x - Step 2: Convert to fraction form
192,387.42/265,531.16 = 126,860.92/x - Step 3: Cross multiply
192,387.42x = 265,531.16 × 126,860.92 - Step 4: Simplify right side
192,387.42x = 33,685,526,899.59 - Step 5: Solve for x
x = 33,685,526,899.59/192,387.42 - Step 6: Final answer
x = 175,092.15
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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.