Finding the Fourth Proportional to 144,494.44, 199,394.58 and 79,960.84
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Solution
The fourth proportional to 144,494.44, 199,394.58 and 79,960.84 is: 110,341.67
Step by Step Solution
- Step 1: Write the proportion equation
144,494.44 : 199,394.58 = 79,960.84 : x - Step 2: Convert to fraction form
144,494.44/199,394.58 = 79,960.84/x - Step 3: Cross multiply
144,494.44x = 199,394.58 × 79,960.84 - Step 4: Simplify right side
144,494.44x = 15,943,758,108.25 - Step 5: Solve for x
x = 15,943,758,108.25/144,494.44 - Step 6: Final answer
x = 110,341.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.