Finding the Fourth Proportional to 226,232.16, 312,198.35 and 124,259.19
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Solution
The fourth proportional to 226,232.16, 312,198.35 and 124,259.19 is: 171,476.56
Step by Step Solution
- Step 1: Write the proportion equation
226,232.16 : 312,198.35 = 124,259.19 : x - Step 2: Convert to fraction form
226,232.16/312,198.35 = 124,259.19/x - Step 3: Cross multiply
226,232.16x = 312,198.35 × 124,259.19 - Step 4: Simplify right side
226,232.16x = 38,793,513,875.31 - Step 5: Solve for x
x = 38,793,513,875.31/226,232.16 - Step 6: Final answer
x = 171,476.56
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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.