Finding the Fourth Proportional to 182,890.98, 252,475.84 and 137,586.21
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Solution
The fourth proportional to 182,890.98, 252,475.84 and 137,586.21 is: 189,933.88
Step by Step Solution
- Step 1: Write the proportion equation
182,890.98 : 252,475.84 = 137,586.21 : x - Step 2: Convert to fraction form
182,890.98/252,475.84 = 137,586.21/x - Step 3: Cross multiply
182,890.98x = 252,475.84 × 137,586.21 - Step 4: Simplify right side
182,890.98x = 34,737,193,813.62 - Step 5: Solve for x
x = 34,737,193,813.62/182,890.98 - Step 6: Final answer
x = 189,933.88
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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.