Finding the Fourth Proportional to 130,373.96, 195,648.59 and 46,133.79
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Solution
The fourth proportional to 130,373.96, 195,648.59 and 46,133.79 is: 69,231.70
Step by Step Solution
- Step 1: Write the proportion equation
130,373.96 : 195,648.59 = 46,133.79 : x - Step 2: Convert to fraction form
130,373.96/195,648.59 = 46,133.79/x - Step 3: Cross multiply
130,373.96x = 195,648.59 × 46,133.79 - Step 4: Simplify right side
130,373.96x = 9,026,010,734.19 - Step 5: Solve for x
x = 9,026,010,734.19/130,373.96 - Step 6: Final answer
x = 69,231.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.