Finding the Fourth Proportional to 222,082.08, 306,472.40 and 120,107.67
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Solution
The fourth proportional to 222,082.08, 306,472.40 and 120,107.67 is: 165,748.11
Step by Step Solution
- Step 1: Write the proportion equation
222,082.08 : 306,472.40 = 120,107.67 : x - Step 2: Convert to fraction form
222,082.08/306,472.40 = 120,107.67/x - Step 3: Cross multiply
222,082.08x = 306,472.40 × 120,107.67 - Step 4: Simplify right side
222,082.08x = 36,809,685,883.31 - Step 5: Solve for x
x = 36,809,685,883.31/222,082.08 - Step 6: Final answer
x = 165,748.11
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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.