Finding the Fourth Proportional to 216,675.41, 324,742.37 and 104,334.68
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Solution
The fourth proportional to 216,675.41, 324,742.37 and 104,334.68 is: 156,371.65
Step by Step Solution
- Step 1: Write the proportion equation
216,675.41 : 324,742.37 = 104,334.68 : x - Step 2: Convert to fraction form
216,675.41/324,742.37 = 104,334.68/x - Step 3: Cross multiply
216,675.41x = 324,742.37 × 104,334.68 - Step 4: Simplify right side
216,675.41x = 33,881,891,546.57 - Step 5: Solve for x
x = 33,881,891,546.57/216,675.41 - Step 6: Final answer
x = 156,371.65
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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.