Finding the Fourth Proportional to 178,899.55, 246,882.92 and 98,328.95
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Solution
The fourth proportional to 178,899.55, 246,882.92 and 98,328.95 is: 135,694.80
Step by Step Solution
- Step 1: Write the proportion equation
178,899.55 : 246,882.92 = 98,328.95 : x - Step 2: Convert to fraction form
178,899.55/246,882.92 = 98,328.95/x - Step 3: Cross multiply
178,899.55x = 246,882.92 × 98,328.95 - Step 4: Simplify right side
178,899.55x = 24,275,738,296.53 - Step 5: Solve for x
x = 24,275,738,296.53/178,899.55 - Step 6: Final answer
x = 135,694.80
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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.