Finding the Fourth Proportional to 236,513.04, 326,385.36 and 129,082.20
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Solution
The fourth proportional to 236,513.04, 326,385.36 and 129,082.20 is: 178,132.00
Step by Step Solution
- Step 1: Write the proportion equation
236,513.04 : 326,385.36 = 129,082.20 : x - Step 2: Convert to fraction form
236,513.04/326,385.36 = 129,082.20/x - Step 3: Cross multiply
236,513.04x = 326,385.36 × 129,082.20 - Step 4: Simplify right side
236,513.04x = 42,130,540,316.59 - Step 5: Solve for x
x = 42,130,540,316.59/236,513.04 - Step 6: Final answer
x = 178,132.00
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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.