Finding the Fourth Proportional to 204,067.80, 306,101.70 and 141,859.80
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Solution
The fourth proportional to 204,067.80, 306,101.70 and 141,859.80 is: 212,789.70
Step by Step Solution
- Step 1: Write the proportion equation
204,067.80 : 306,101.70 = 141,859.80 : x - Step 2: Convert to fraction form
204,067.80/306,101.70 = 141,859.80/x - Step 3: Cross multiply
204,067.80x = 306,101.70 × 141,859.80 - Step 4: Simplify right side
204,067.80x = 43,423,525,941.66 - Step 5: Solve for x
x = 43,423,525,941.66/204,067.80 - Step 6: Final answer
x = 212,789.70
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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.