Finding the Fourth Proportional to 194,749.99, 268,767.53 and 109,865.23
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Solution
The fourth proportional to 194,749.99, 268,767.53 and 109,865.23 is: 151,621.09
Step by Step Solution
- Step 1: Write the proportion equation
194,749.99 : 268,767.53 = 109,865.23 : x - Step 2: Convert to fraction form
194,749.99/268,767.53 = 109,865.23/x - Step 3: Cross multiply
194,749.99x = 268,767.53 × 109,865.23 - Step 4: Simplify right side
194,749.99x = 29,528,206,499.98 - Step 5: Solve for x
x = 29,528,206,499.98/194,749.99 - Step 6: Final answer
x = 151,621.09
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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.