Finding the Fourth Proportional to 192,909.92, 266,307.99 and 128,486.36
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Solution
The fourth proportional to 192,909.92, 266,307.99 and 128,486.36 is: 177,372.66
Step by Step Solution
- Step 1: Write the proportion equation
192,909.92 : 266,307.99 = 128,486.36 : x - Step 2: Convert to fraction form
192,909.92/266,307.99 = 128,486.36/x - Step 3: Cross multiply
192,909.92x = 266,307.99 × 128,486.36 - Step 4: Simplify right side
192,909.92x = 34,216,944,457.96 - Step 5: Solve for x
x = 34,216,944,457.96/192,909.92 - Step 6: Final answer
x = 177,372.66
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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.