Finding the Fourth Proportional to 196,736, 271,495.68 and 107,312
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Solution
The fourth proportional to 196,736, 271,495.68 and 107,312 is: 148,090.56
Step by Step Solution
- Step 1: Write the proportion equation
196,736 : 271,495.68 = 107,312 : x - Step 2: Convert to fraction form
196,736/271,495.68 = 107,312/x - Step 3: Cross multiply
196,736x = 271,495.68 × 107,312 - Step 4: Simplify right side
196,736x = 29,134,744,412.16 - Step 5: Solve for x
x = 29,134,744,412.16/196,736 - Step 6: Final answer
x = 148,090.56
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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.