Finding the Fourth Proportional to 119,938.03, 166,214.57 and 118,246.75
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Solution
The fourth proportional to 119,938.03, 166,214.57 and 118,246.75 is: 163,870.73
Step by Step Solution
- Step 1: Write the proportion equation
119,938.03 : 166,214.57 = 118,246.75 : x - Step 2: Convert to fraction form
119,938.03/166,214.57 = 118,246.75/x - Step 3: Cross multiply
119,938.03x = 166,214.57 × 118,246.75 - Step 4: Simplify right side
119,938.03x = 19,654,332,705.15 - Step 5: Solve for x
x = 19,654,332,705.15/119,938.03 - Step 6: Final answer
x = 163,870.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.