Finding the Fourth Proportional to 264,631.70, 365,193.50 and 143,772.96
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Solution
The fourth proportional to 264,631.70, 365,193.50 and 143,772.96 is: 198,407.64
Step by Step Solution
- Step 1: Write the proportion equation
264,631.70 : 365,193.50 = 143,772.96 : x - Step 2: Convert to fraction form
264,631.70/365,193.50 = 143,772.96/x - Step 3: Cross multiply
264,631.70x = 365,193.50 × 143,772.96 - Step 4: Simplify right side
264,631.70x = 52,504,950,467.76 - Step 5: Solve for x
x = 52,504,950,467.76/264,631.70 - Step 6: Final answer
x = 198,407.64
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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.