Finding the Fourth Proportional to 192,668.22, 265,878.86 and 107,785.08
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Solution
The fourth proportional to 192,668.22, 265,878.86 and 107,785.08 is: 148,741.57
Step by Step Solution
- Step 1: Write the proportion equation
192,668.22 : 265,878.86 = 107,785.08 : x - Step 2: Convert to fraction form
192,668.22/265,878.86 = 107,785.08/x - Step 3: Cross multiply
192,668.22x = 265,878.86 × 107,785.08 - Step 4: Simplify right side
192,668.22x = 28,657,773,656.48 - Step 5: Solve for x
x = 28,657,773,656.48/192,668.22 - Step 6: Final answer
x = 148,741.57
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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.