Finding the Fourth Proportional to 180,344.44, 248,859.66 and 99,770.68
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Solution
The fourth proportional to 180,344.44, 248,859.66 and 99,770.68 is: 137,674.87
Step by Step Solution
- Step 1: Write the proportion equation
180,344.44 : 248,859.66 = 99,770.68 : x - Step 2: Convert to fraction form
180,344.44/248,859.66 = 99,770.68/x - Step 3: Cross multiply
180,344.44x = 248,859.66 × 99,770.68 - Step 4: Simplify right side
180,344.44x = 24,828,897,502.77 - Step 5: Solve for x
x = 24,828,897,502.77/180,344.44 - Step 6: Final answer
x = 137,674.87
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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.