Finding the Fourth Proportional to 248,760.99, 343,339.16 and 173,265.75
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Solution
The fourth proportional to 248,760.99, 343,339.16 and 173,265.75 is: 239,140.86
Step by Step Solution
- Step 1: Write the proportion equation
248,760.99 : 343,339.16 = 173,265.75 : x - Step 2: Convert to fraction form
248,760.99/343,339.16 = 173,265.75/x - Step 3: Cross multiply
248,760.99x = 343,339.16 × 173,265.75 - Step 4: Simplify right side
248,760.99x = 59,488,916,195.44 - Step 5: Solve for x
x = 59,488,916,195.44/248,760.99 - Step 6: Final answer
x = 239,140.86
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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.