Finding the Fourth Proportional to 226,531.24, 312,621.12 and 124,564.48
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Solution
The fourth proportional to 226,531.24, 312,621.12 and 124,564.48 is: 171,903.39
Step by Step Solution
- Step 1: Write the proportion equation
226,531.24 : 312,621.12 = 124,564.48 : x - Step 2: Convert to fraction form
226,531.24/312,621.12 = 124,564.48/x - Step 3: Cross multiply
226,531.24x = 312,621.12 × 124,564.48 - Step 4: Simplify right side
226,531.24x = 38,941,487,249.82 - Step 5: Solve for x
x = 38,941,487,249.82/226,531.24 - Step 6: Final answer
x = 171,903.39
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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.