Finding the Fourth Proportional to 213,035.20, 293,988.35 and 117,541.88
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Solution
The fourth proportional to 213,035.20, 293,988.35 and 117,541.88 is: 162,207.68
Step by Step Solution
- Step 1: Write the proportion equation
213,035.20 : 293,988.35 = 117,541.88 : x - Step 2: Convert to fraction form
213,035.20/293,988.35 = 117,541.88/x - Step 3: Cross multiply
213,035.20x = 293,988.35 × 117,541.88 - Step 4: Simplify right side
213,035.20x = 34,555,944,937.15 - Step 5: Solve for x
x = 34,555,944,937.15/213,035.20 - Step 6: Final answer
x = 162,207.68
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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.