Finding the Fourth Proportional to 146,714.63, 202,466.39 and 79,646.63
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Solution
The fourth proportional to 146,714.63, 202,466.39 and 79,646.63 is: 109,912.45
Step by Step Solution
- Step 1: Write the proportion equation
146,714.63 : 202,466.39 = 79,646.63 : x - Step 2: Convert to fraction form
146,714.63/202,466.39 = 79,646.63/x - Step 3: Cross multiply
146,714.63x = 202,466.39 × 79,646.63 - Step 4: Simplify right side
146,714.63x = 16,125,764,241.20 - Step 5: Solve for x
x = 16,125,764,241.20/146,714.63 - Step 6: Final answer
x = 109,912.45
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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.