Finding the Fourth Proportional to 213,118.62, 294,103.08 and 117,624.63
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Solution
The fourth proportional to 213,118.62, 294,103.08 and 117,624.63 is: 162,321.65
Step by Step Solution
- Step 1: Write the proportion equation
213,118.62 : 294,103.08 = 117,624.63 : x - Step 2: Convert to fraction form
213,118.62/294,103.08 = 117,624.63/x - Step 3: Cross multiply
213,118.62x = 294,103.08 × 117,624.63 - Step 4: Simplify right side
213,118.62x = 34,593,765,966.86 - Step 5: Solve for x
x = 34,593,765,966.86/213,118.62 - Step 6: Final answer
x = 162,321.65
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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.