Finding the Fourth Proportional to 203,935.80, 281,426.35 and 113,291.99
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Solution
The fourth proportional to 203,935.80, 281,426.35 and 113,291.99 is: 156,340.14
Step by Step Solution
- Step 1: Write the proportion equation
203,935.80 : 281,426.35 = 113,291.99 : x - Step 2: Convert to fraction form
203,935.80/281,426.35 = 113,291.99/x - Step 3: Cross multiply
203,935.80x = 281,426.35 × 113,291.99 - Step 4: Simplify right side
203,935.80x = 31,883,351,285.30 - Step 5: Solve for x
x = 31,883,351,285.30/203,935.80 - Step 6: Final answer
x = 156,340.14
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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.