Finding the Fourth Proportional to 170,080,160.10, 255,120,240.15 and 115,660,601.70
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Solution
The fourth proportional to 170,080,160.10, 255,120,240.15 and 115,660,601.70 is: 173,490,902.55
Step by Step Solution
- Step 1: Write the proportion equation
170,080,160.10 : 255,120,240.15 = 115,660,601.70 : x - Step 2: Convert to fraction form
170,080,160.10/255,120,240.15 = 115,660,601.70/x - Step 3: Cross multiply
170,080,160.10x = 255,120,240.15 × 115,660,601.70 - Step 4: Simplify right side
170,080,160.10x = 29,507,360,481,597,500 - Step 5: Solve for x
x = 29,507,360,481,597,500/170,080,160.10 - Step 6: Final answer
x = 173,490,902.55
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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.