Finding the Fourth Proportional to 201,414.70, 302,122.05 and 122,682.70
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Solution
The fourth proportional to 201,414.70, 302,122.05 and 122,682.70 is: 184,024.05
Step by Step Solution
- Step 1: Write the proportion equation
201,414.70 : 302,122.05 = 122,682.70 : x - Step 2: Convert to fraction form
201,414.70/302,122.05 = 122,682.70/x - Step 3: Cross multiply
201,414.70x = 302,122.05 × 122,682.70 - Step 4: Simplify right side
201,414.70x = 37,065,148,823.54 - Step 5: Solve for x
x = 37,065,148,823.54/201,414.70 - Step 6: Final answer
x = 184,024.05
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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.