Finding the Fourth Proportional to 141,808.50, 195,698.16 and 91,594.98
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Solution
The fourth proportional to 141,808.50, 195,698.16 and 91,594.98 is: 126,402.64
Step by Step Solution
- Step 1: Write the proportion equation
141,808.50 : 195,698.16 = 91,594.98 : x - Step 2: Convert to fraction form
141,808.50/195,698.16 = 91,594.98/x - Step 3: Cross multiply
141,808.50x = 195,698.16 × 91,594.98 - Step 4: Simplify right side
141,808.50x = 17,924,969,051.24 - Step 5: Solve for x
x = 17,924,969,051.24/141,808.50 - Step 6: Final answer
x = 126,402.64
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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.