Finding the Fourth Proportional to 130,847.40, 196,562.70 and 125,533.80
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Solution
The fourth proportional to 130,847.40, 196,562.70 and 125,533.80 is: 188,580.46
Step by Step Solution
- Step 1: Write the proportion equation
130,847.40 : 196,562.70 = 125,533.80 : x - Step 2: Convert to fraction form
130,847.40/196,562.70 = 125,533.80/x - Step 3: Cross multiply
130,847.40x = 196,562.70 × 125,533.80 - Step 4: Simplify right side
130,847.40x = 24,675,262,669.26 - Step 5: Solve for x
x = 24,675,262,669.26/130,847.40 - Step 6: Final answer
x = 188,580.46
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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.