Finding the Fourth Proportional to 198,237.99, 273,568.68 and 107,593.94
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Solution
The fourth proportional to 198,237.99, 273,568.68 and 107,593.94 is: 148,479.77
Step by Step Solution
- Step 1: Write the proportion equation
198,237.99 : 273,568.68 = 107,593.94 : x - Step 2: Convert to fraction form
198,237.99/273,568.68 = 107,593.94/x - Step 3: Cross multiply
198,237.99x = 273,568.68 × 107,593.94 - Step 4: Simplify right side
198,237.99x = 29,434,330,773.96 - Step 5: Solve for x
x = 29,434,330,773.96/198,237.99 - Step 6: Final answer
x = 148,479.77
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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.