Finding the Fourth Proportional to 117,630.90, 175,960.35 and 107,249.94
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Solution
The fourth proportional to 117,630.90, 175,960.35 and 107,249.94 is: 160,431.80
Step by Step Solution
- Step 1: Write the proportion equation
117,630.90 : 175,960.35 = 107,249.94 : x - Step 2: Convert to fraction form
117,630.90/175,960.35 = 107,249.94/x - Step 3: Cross multiply
117,630.90x = 175,960.35 × 107,249.94 - Step 4: Simplify right side
117,630.90x = 18,871,736,979.88 - Step 5: Solve for x
x = 18,871,736,979.88/117,630.90 - Step 6: Final answer
x = 160,431.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.