Finding the Fourth Proportional to 107,240.99, 160,860.42 and 27,279.18
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Solution
The fourth proportional to 107,240.99, 160,860.42 and 27,279.18 is: 40,918.50
Step by Step Solution
- Step 1: Write the proportion equation
107,240.99 : 160,860.42 = 27,279.18 : x - Step 2: Convert to fraction form
107,240.99/160,860.42 = 27,279.18/x - Step 3: Cross multiply
107,240.99x = 160,860.42 × 27,279.18 - Step 4: Simplify right side
107,240.99x = 4,388,140,352.06 - Step 5: Solve for x
x = 4,388,140,352.06/107,240.99 - Step 6: Final answer
x = 40,918.50
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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.