Finding the Fourth Proportional to 146,864.60, 202,683.16 and 83,202.92
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Solution
The fourth proportional to 146,864.60, 202,683.16 and 83,202.92 is: 114,825.70
Step by Step Solution
- Step 1: Write the proportion equation
146,864.60 : 202,683.16 = 83,202.92 : x - Step 2: Convert to fraction form
146,864.60/202,683.16 = 83,202.92/x - Step 3: Cross multiply
146,864.60x = 202,683.16 × 83,202.92 - Step 4: Simplify right side
146,864.60x = 16,863,830,746.83 - Step 5: Solve for x
x = 16,863,830,746.83/146,864.60 - Step 6: Final answer
x = 114,825.70
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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.