Finding the Fourth Proportional to 374,165.92, 561,438.42 and 163,805.68
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Solution
The fourth proportional to 374,165.92, 561,438.42 and 163,805.68 is: 245,791.50
Step by Step Solution
- Step 1: Write the proportion equation
374,165.92 : 561,438.42 = 163,805.68 : x - Step 2: Convert to fraction form
374,165.92/561,438.42 = 163,805.68/x - Step 3: Cross multiply
374,165.92x = 561,438.42 × 163,805.68 - Step 4: Simplify right side
374,165.92x = 91,966,802,166.23 - Step 5: Solve for x
x = 91,966,802,166.23/374,165.92 - Step 6: Final answer
x = 245,791.50
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1.5x scale
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.