Finding the Fourth Proportional to 293,729.68, 405,366.99 and 166,406.32
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Solution
The fourth proportional to 293,729.68, 405,366.99 and 166,406.32 is: 229,652.07
Step by Step Solution
- Step 1: Write the proportion equation
293,729.68 : 405,366.99 = 166,406.32 : x - Step 2: Convert to fraction form
293,729.68/405,366.99 = 166,406.32/x - Step 3: Cross multiply
293,729.68x = 405,366.99 × 166,406.32 - Step 4: Simplify right side
293,729.68x = 67,455,629,055.38 - Step 5: Solve for x
x = 67,455,629,055.38/293,729.68 - Step 6: Final answer
x = 229,652.07
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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.