Finding the Fourth Proportional to 186,965.11, 280,447.67 and 87,195.08
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Solution
The fourth proportional to 186,965.11, 280,447.67 and 87,195.08 is: 130,792.62
Step by Step Solution
- Step 1: Write the proportion equation
186,965.11 : 280,447.67 = 87,195.08 : x - Step 2: Convert to fraction form
186,965.11/280,447.67 = 87,195.08/x - Step 3: Cross multiply
186,965.11x = 280,447.67 × 87,195.08 - Step 4: Simplify right side
186,965.11x = 24,453,657,450.10 - Step 5: Solve for x
x = 24,453,657,450.10/186,965.11 - Step 6: Final answer
x = 130,792.62
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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.