Finding the Fourth Proportional to 211,692.76, 292,134.90 and 116,201.08
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Solution
The fourth proportional to 211,692.76, 292,134.90 and 116,201.08 is: 160,356.88
Step by Step Solution
- Step 1: Write the proportion equation
211,692.76 : 292,134.90 = 116,201.08 : x - Step 2: Convert to fraction form
211,692.76/292,134.90 = 116,201.08/x - Step 3: Cross multiply
211,692.76x = 292,134.90 × 116,201.08 - Step 4: Simplify right side
211,692.76x = 33,946,390,885.69 - Step 5: Solve for x
x = 33,946,390,885.69/211,692.76 - Step 6: Final answer
x = 160,356.88
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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.