Finding the Fourth Proportional to 191,448.16, 264,194.12 and 119,867.68
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Solution
The fourth proportional to 191,448.16, 264,194.12 and 119,867.68 is: 165,414.68
Step by Step Solution
- Step 1: Write the proportion equation
191,448.16 : 264,194.12 = 119,867.68 : x - Step 2: Convert to fraction form
191,448.16/264,194.12 = 119,867.68/x - Step 3: Cross multiply
191,448.16x = 264,194.12 × 119,867.68 - Step 4: Simplify right side
191,448.16x = 31,668,336,234.04 - Step 5: Solve for x
x = 31,668,336,234.04/191,448.16 - Step 6: Final answer
x = 165,414.68
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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.