Finding the Fourth Proportional to 222,241.21, 306,692.86 and 120,266.67
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Solution
The fourth proportional to 222,241.21, 306,692.86 and 120,266.67 is: 165,967.99
Step by Step Solution
- Step 1: Write the proportion equation
222,241.21 : 306,692.86 = 120,266.67 : x - Step 2: Convert to fraction form
222,241.21/306,692.86 = 120,266.67/x - Step 3: Cross multiply
222,241.21x = 306,692.86 × 120,266.67 - Step 4: Simplify right side
222,241.21x = 36,884,927,133.94 - Step 5: Solve for x
x = 36,884,927,133.94/222,241.21 - Step 6: Final answer
x = 165,967.99
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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.