Finding the Fourth Proportional to 174,747.24, 262,121.14 and 74,899.62
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Solution
The fourth proportional to 174,747.24, 262,121.14 and 74,899.62 is: 112,349.55
Step by Step Solution
- Step 1: Write the proportion equation
174,747.24 : 262,121.14 = 74,899.62 : x - Step 2: Convert to fraction form
174,747.24/262,121.14 = 74,899.62/x - Step 3: Cross multiply
174,747.24x = 262,121.14 × 74,899.62 - Step 4: Simplify right side
174,747.24x = 19,632,773,779.97 - Step 5: Solve for x
x = 19,632,773,779.97/174,747.24 - Step 6: Final answer
x = 112,349.55
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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.