Finding the Fourth Proportional to 216,933.57, 325,610.26 and 104,692.80
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Solution
The fourth proportional to 216,933.57, 325,610.26 and 104,692.80 is: 157,140.50
Step by Step Solution
- Step 1: Write the proportion equation
216,933.57 : 325,610.26 = 104,692.80 : x - Step 2: Convert to fraction form
216,933.57/325,610.26 = 104,692.80/x - Step 3: Cross multiply
216,933.57x = 325,610.26 × 104,692.80 - Step 4: Simplify right side
216,933.57x = 34,089,049,828.13 - Step 5: Solve for x
x = 34,089,049,828.13/216,933.57 - Step 6: Final answer
x = 157,140.50
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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.