Finding the Fourth Proportional to 220,467.99, 304,243.88 and 119,865.99
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Solution
The fourth proportional to 220,467.99, 304,243.88 and 119,865.99 is: 165,414.01
Step by Step Solution
- Step 1: Write the proportion equation
220,467.99 : 304,243.88 = 119,865.99 : x - Step 2: Convert to fraction form
220,467.99/304,243.88 = 119,865.99/x - Step 3: Cross multiply
220,467.99x = 304,243.88 × 119,865.99 - Step 4: Simplify right side
220,467.99x = 36,468,493,278.31 - Step 5: Solve for x
x = 36,468,493,278.31/220,467.99 - Step 6: Final answer
x = 165,414.01
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1.5x scale
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.