Finding the Fourth Proportional to 224,919.93, 310,381.11 and 122,944.56
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Solution
The fourth proportional to 224,919.93, 310,381.11 and 122,944.56 is: 169,658.90
Step by Step Solution
- Step 1: Write the proportion equation
224,919.93 : 310,381.11 = 122,944.56 : x - Step 2: Convert to fraction form
224,919.93/310,381.11 = 122,944.56/x - Step 3: Cross multiply
224,919.93x = 310,381.11 × 122,944.56 - Step 4: Simplify right side
224,919.93x = 38,159,669,001.26 - Step 5: Solve for x
x = 38,159,669,001.26/224,919.93 - Step 6: Final answer
x = 169,658.90
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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.