Finding the Fourth Proportional to 197,862.23, 273,050.84 and 107,218.17
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Solution
The fourth proportional to 197,862.23, 273,050.84 and 107,218.17 is: 147,961.60
Step by Step Solution
- Step 1: Write the proportion equation
197,862.23 : 273,050.84 = 107,218.17 : x - Step 2: Convert to fraction form
197,862.23/273,050.84 = 107,218.17/x - Step 3: Cross multiply
197,862.23x = 273,050.84 × 107,218.17 - Step 4: Simplify right side
197,862.23x = 29,276,010,845.67 - Step 5: Solve for x
x = 29,276,010,845.67/197,862.23 - Step 6: Final answer
x = 147,961.60
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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.