Finding the Fourth Proportional to 182,647.20, 252,071.28 and 107,194.08
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Solution
The fourth proportional to 182,647.20, 252,071.28 and 107,194.08 is: 147,938.48
Step by Step Solution
- Step 1: Write the proportion equation
182,647.20 : 252,071.28 = 107,194.08 : x - Step 2: Convert to fraction form
182,647.20/252,071.28 = 107,194.08/x - Step 3: Cross multiply
182,647.20x = 252,071.28 × 107,194.08 - Step 4: Simplify right side
182,647.20x = 27,020,548,954.02 - Step 5: Solve for x
x = 27,020,548,954.02/182,647.20 - Step 6: Final answer
x = 147,938.48
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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.