Finding the Fourth Proportional to 168,391.04, 232,683.60 and 119,908.79
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Solution
The fourth proportional to 168,391.04, 232,683.60 and 119,908.79 is: 165,690.58
Step by Step Solution
- Step 1: Write the proportion equation
168,391.04 : 232,683.60 = 119,908.79 : x - Step 2: Convert to fraction form
168,391.04/232,683.60 = 119,908.79/x - Step 3: Cross multiply
168,391.04x = 232,683.60 × 119,908.79 - Step 4: Simplify right side
168,391.04x = 27,900,808,329.30 - Step 5: Solve for x
x = 27,900,808,329.30/168,391.04 - Step 6: Final answer
x = 165,690.58
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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.