Finding the Fourth Proportional to 157,229.10, 235,855.26 and 44,918.82
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Solution
The fourth proportional to 157,229.10, 235,855.26 and 44,918.82 is: 67,381.55
Step by Step Solution
- Step 1: Write the proportion equation
157,229.10 : 235,855.26 = 44,918.82 : x - Step 2: Convert to fraction form
157,229.10/235,855.26 = 44,918.82/x - Step 3: Cross multiply
157,229.10x = 235,855.26 × 44,918.82 - Step 4: Simplify right side
157,229.10x = 10,594,339,969.99 - Step 5: Solve for x
x = 10,594,339,969.99/157,229.10 - Step 6: Final answer
x = 67,381.55
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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.