Finding the Fourth Proportional to 282,548.24, 389,938.44 and 161,727.44
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Solution
The fourth proportional to 282,548.24, 389,938.44 and 161,727.44 is: 223,196.38
Step by Step Solution
- Step 1: Write the proportion equation
282,548.24 : 389,938.44 = 161,727.44 : x - Step 2: Convert to fraction form
282,548.24/389,938.44 = 161,727.44/x - Step 3: Cross multiply
282,548.24x = 389,938.44 × 161,727.44 - Step 4: Simplify right side
282,548.24x = 63,063,745,658.79 - Step 5: Solve for x
x = 63,063,745,658.79/282,548.24 - Step 6: Final answer
x = 223,196.38
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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.