Finding the Fourth Proportional to 211,693.35, 292,140.14 and 116,208.75
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Solution
The fourth proportional to 211,693.35, 292,140.14 and 116,208.75 is: 160,369.89
Step by Step Solution
- Step 1: Write the proportion equation
211,693.35 : 292,140.14 = 116,208.75 : x - Step 2: Convert to fraction form
211,693.35/292,140.14 = 116,208.75/x - Step 3: Cross multiply
211,693.35x = 292,140.14 × 116,208.75 - Step 4: Simplify right side
211,693.35x = 33,949,239,913.18 - Step 5: Solve for x
x = 33,949,239,913.18/211,693.35 - Step 6: Final answer
x = 160,369.89
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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.