Finding the Fourth Proportional to 196,363.68, 271,141.67 and 160,070.82
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Solution
The fourth proportional to 196,363.68, 271,141.67 and 160,070.82 is: 221,027.99
Step by Step Solution
- Step 1: Write the proportion equation
196,363.68 : 271,141.67 = 160,070.82 : x - Step 2: Convert to fraction form
196,363.68/271,141.67 = 160,070.82/x - Step 3: Cross multiply
196,363.68x = 271,141.67 × 160,070.82 - Step 4: Simplify right side
196,363.68x = 43,401,869,453.07 - Step 5: Solve for x
x = 43,401,869,453.07/196,363.68 - Step 6: Final answer
x = 221,027.99
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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.