Finding the Fourth Proportional to 157,311.18, 217,104.71 and 96,922.44
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Solution
The fourth proportional to 157,311.18, 217,104.71 and 96,922.44 is: 133,762.38
Step by Step Solution
- Step 1: Write the proportion equation
157,311.18 : 217,104.71 = 96,922.44 : x - Step 2: Convert to fraction form
157,311.18/217,104.71 = 96,922.44/x - Step 3: Cross multiply
157,311.18x = 217,104.71 × 96,922.44 - Step 4: Simplify right side
157,311.18x = 21,042,317,744.08 - Step 5: Solve for x
x = 21,042,317,744.08/157,311.18 - Step 6: Final answer
x = 133,762.38
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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.