Finding the Fourth Proportional to 211,616.63, 292,030.14 and 116,124.92
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Solution
The fourth proportional to 211,616.63, 292,030.14 and 116,124.92 is: 160,251.95
Step by Step Solution
- Step 1: Write the proportion equation
211,616.63 : 292,030.14 = 116,124.92 : x - Step 2: Convert to fraction form
211,616.63/292,030.14 = 116,124.92/x - Step 3: Cross multiply
211,616.63x = 292,030.14 × 116,124.92 - Step 4: Simplify right side
211,616.63x = 33,911,976,645.09 - Step 5: Solve for x
x = 33,911,976,645.09/211,616.63 - Step 6: Final answer
x = 160,251.95
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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.