Finding the Fourth Proportional to 147,241.09, 220,859.20 and 36,433.09
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Solution
The fourth proportional to 147,241.09, 220,859.20 and 36,433.09 is: 54,649.03
Step by Step Solution
- Step 1: Write the proportion equation
147,241.09 : 220,859.20 = 36,433.09 : x - Step 2: Convert to fraction form
147,241.09/220,859.20 = 36,433.09/x - Step 3: Cross multiply
147,241.09x = 220,859.20 × 36,433.09 - Step 4: Simplify right side
147,241.09x = 8,046,583,110.93 - Step 5: Solve for x
x = 8,046,583,110.93/147,241.09 - Step 6: Final answer
x = 54,649.03
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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.