Finding the Fourth Proportional to 203,246.25, 280,366.81 and 160,066.67
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Solution
The fourth proportional to 203,246.25, 280,366.81 and 160,066.67 is: 220,802.99
Step by Step Solution
- Step 1: Write the proportion equation
203,246.25 : 280,366.81 = 160,066.67 : x - Step 2: Convert to fraction form
203,246.25/280,366.81 = 160,066.67/x - Step 3: Cross multiply
203,246.25x = 280,366.81 × 160,066.67 - Step 4: Simplify right side
203,246.25x = 44,877,379,853.22 - Step 5: Solve for x
x = 44,877,379,853.22/203,246.25 - Step 6: Final answer
x = 220,802.99
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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.