Finding the Fourth Proportional to 224,933.19, 310,407.10 and 122,958.68
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Solution
The fourth proportional to 224,933.19, 310,407.10 and 122,958.68 is: 169,682.60
Step by Step Solution
- Step 1: Write the proportion equation
224,933.19 : 310,407.10 = 122,958.68 : x - Step 2: Convert to fraction form
224,933.19/310,407.10 = 122,958.68/x - Step 3: Cross multiply
224,933.19x = 310,407.10 × 122,958.68 - Step 4: Simplify right side
224,933.19x = 38,167,248,211.17 - Step 5: Solve for x
x = 38,167,248,211.17/224,933.19 - Step 6: Final answer
x = 169,682.60
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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.