Finding the Fourth Proportional to 201,698.99, 302,576.27 and 68,543.49
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Solution
The fourth proportional to 201,698.99, 302,576.27 and 68,543.49 is: 102,824.68
Step by Step Solution
- Step 1: Write the proportion equation
201,698.99 : 302,576.27 = 68,543.49 : x - Step 2: Convert to fraction form
201,698.99/302,576.27 = 68,543.49/x - Step 3: Cross multiply
201,698.99x = 302,576.27 × 68,543.49 - Step 4: Simplify right side
201,698.99x = 20,739,633,536.98 - Step 5: Solve for x
x = 20,739,633,536.98/201,698.99 - Step 6: Final answer
x = 102,824.68
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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.