Finding the Fourth Proportional to 165,424.92, 228,213.18 and 101,725.08
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Solution
The fourth proportional to 165,424.92, 228,213.18 and 101,725.08 is: 140,335.59
Step by Step Solution
- Step 1: Write the proportion equation
165,424.92 : 228,213.18 = 101,725.08 : x - Step 2: Convert to fraction form
165,424.92/228,213.18 = 101,725.08/x - Step 3: Cross multiply
165,424.92x = 228,213.18 × 101,725.08 - Step 4: Simplify right side
165,424.92x = 23,215,003,992.55 - Step 5: Solve for x
x = 23,215,003,992.55/165,424.92 - Step 6: Final answer
x = 140,335.59
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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.