Finding the Fourth Proportional to 170,958.71, 235,923.74 and 93,435.92
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Solution
The fourth proportional to 170,958.71, 235,923.74 and 93,435.92 is: 128,941.96
Step by Step Solution
- Step 1: Write the proportion equation
170,958.71 : 235,923.74 = 93,435.92 : x - Step 2: Convert to fraction form
170,958.71/235,923.74 = 93,435.92/x - Step 3: Cross multiply
170,958.71x = 235,923.74 × 93,435.92 - Step 4: Simplify right side
170,958.71x = 22,043,751,696.74 - Step 5: Solve for x
x = 22,043,751,696.74/170,958.71 - Step 6: Final answer
x = 128,941.96
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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.