Finding the Fourth Proportional to 202,236.40, 303,463.95 and 89,933.95
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Solution
The fourth proportional to 202,236.40, 303,463.95 and 89,933.95 is: 134,949.55
Step by Step Solution
- Step 1: Write the proportion equation
202,236.40 : 303,463.95 = 89,933.95 : x - Step 2: Convert to fraction form
202,236.40/303,463.95 = 89,933.95/x - Step 3: Cross multiply
202,236.40x = 303,463.95 × 89,933.95 - Step 4: Simplify right side
202,236.40x = 27,291,711,706.10 - Step 5: Solve for x
x = 27,291,711,706.10/202,236.40 - Step 6: Final answer
x = 134,949.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.