Finding the Fourth Proportional to 196,326.13, 270,922.68 and 119,972.90
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Solution
The fourth proportional to 196,326.13, 270,922.68 and 119,972.90 is: 165,558.09
Step by Step Solution
- Step 1: Write the proportion equation
196,326.13 : 270,922.68 = 119,972.90 : x - Step 2: Convert to fraction form
196,326.13/270,922.68 = 119,972.90/x - Step 3: Cross multiply
196,326.13x = 270,922.68 × 119,972.90 - Step 4: Simplify right side
196,326.13x = 32,503,379,595.37 - Step 5: Solve for x
x = 32,503,379,595.37/196,326.13 - Step 6: Final answer
x = 165,558.09
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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.