Finding the Fourth Proportional to 192,659.13, 265,870.35 and 107,776.26
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Solution
The fourth proportional to 192,659.13, 265,870.35 and 107,776.26 is: 148,731.66
Step by Step Solution
- Step 1: Write the proportion equation
192,659.13 : 265,870.35 = 107,776.26 : x - Step 2: Convert to fraction form
192,659.13/265,870.35 = 107,776.26/x - Step 3: Cross multiply
192,659.13x = 265,870.35 × 107,776.26 - Step 4: Simplify right side
192,659.13x = 28,654,511,967.89 - Step 5: Solve for x
x = 28,654,511,967.89/192,659.13 - Step 6: Final answer
x = 148,731.66
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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.