Finding the Fourth Proportional to 226,562.19, 312,655.30 and 124,593.92
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Solution
The fourth proportional to 226,562.19, 312,655.30 and 124,593.92 is: 171,939.32
Step by Step Solution
- Step 1: Write the proportion equation
226,562.19 : 312,655.30 = 124,593.92 : x - Step 2: Convert to fraction form
226,562.19/312,655.30 = 124,593.92/x - Step 3: Cross multiply
226,562.19x = 312,655.30 × 124,593.92 - Step 4: Simplify right side
226,562.19x = 38,954,949,435.78 - Step 5: Solve for x
x = 38,954,949,435.78/226,562.19 - Step 6: Final answer
x = 171,939.32
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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.