Finding the Fourth Proportional to 335,921.19, 503,878.65 and 136,194.09
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Solution
The fourth proportional to 335,921.19, 503,878.65 and 136,194.09 is: 204,289.86
Step by Step Solution
- Step 1: Write the proportion equation
335,921.19 : 503,878.65 = 136,194.09 : x - Step 2: Convert to fraction form
335,921.19/503,878.65 = 136,194.09/x - Step 3: Cross multiply
335,921.19x = 503,878.65 × 136,194.09 - Step 4: Simplify right side
335,921.19x = 68,625,294,207.18 - Step 5: Solve for x
x = 68,625,294,207.18/335,921.19 - Step 6: Final answer
x = 204,289.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.