Finding the Fourth Proportional to 196,337.18, 270,938.13 and 119,984.09
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Solution
The fourth proportional to 196,337.18, 270,938.13 and 119,984.09 is: 165,573.65
Step by Step Solution
- Step 1: Write the proportion equation
196,337.18 : 270,938.13 = 119,984.09 : x - Step 2: Convert to fraction form
196,337.18/270,938.13 = 119,984.09/x - Step 3: Cross multiply
196,337.18x = 270,938.13 × 119,984.09 - Step 4: Simplify right side
196,337.18x = 32,508,263,619.66 - Step 5: Solve for x
x = 32,508,263,619.66/196,337.18 - Step 6: Final answer
x = 165,573.65
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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.