Finding the Fourth Proportional to 173,721.60, 260,776.80 and 134,452.80
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Solution
The fourth proportional to 173,721.60, 260,776.80 and 134,452.80 is: 201,829.66
Step by Step Solution
- Step 1: Write the proportion equation
173,721.60 : 260,776.80 = 134,452.80 : x - Step 2: Convert to fraction form
173,721.60/260,776.80 = 134,452.80/x - Step 3: Cross multiply
173,721.60x = 260,776.80 × 134,452.80 - Step 4: Simplify right side
173,721.60x = 35,062,170,935.04 - Step 5: Solve for x
x = 35,062,170,935.04/173,721.60 - Step 6: Final answer
x = 201,829.66
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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.