Finding the Fourth Proportional to 246,987.20, 340,843.97 and 133,809.95
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Solution
The fourth proportional to 246,987.20, 340,843.97 and 133,809.95 is: 184,658.62
Step by Step Solution
- Step 1: Write the proportion equation
246,987.20 : 340,843.97 = 133,809.95 : x - Step 2: Convert to fraction form
246,987.20/340,843.97 = 133,809.95/x - Step 3: Cross multiply
246,987.20x = 340,843.97 × 133,809.95 - Step 4: Simplify right side
246,987.20x = 45,608,314,583.50 - Step 5: Solve for x
x = 45,608,314,583.50/246,987.20 - Step 6: Final answer
x = 184,658.62
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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.