Finding the Fourth Proportional to 194,859.44, 292,319.74 and 82,539.98
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Solution
The fourth proportional to 194,859.44, 292,319.74 and 82,539.98 is: 123,822.92
Step by Step Solution
- Step 1: Write the proportion equation
194,859.44 : 292,319.74 = 82,539.98 : x - Step 2: Convert to fraction form
194,859.44/292,319.74 = 82,539.98/x - Step 3: Cross multiply
194,859.44x = 292,319.74 × 82,539.98 - Step 4: Simplify right side
194,859.44x = 24,128,065,493.21 - Step 5: Solve for x
x = 24,128,065,493.21/194,859.44 - Step 6: Final answer
x = 123,822.92
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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.