Finding the Fourth Proportional to 230,974.80, 346,818.60 and 125,998.80
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Solution
The fourth proportional to 230,974.80, 346,818.60 and 125,998.80 is: 189,192.62
Step by Step Solution
- Step 1: Write the proportion equation
230,974.80 : 346,818.60 = 125,998.80 : x - Step 2: Convert to fraction form
230,974.80/346,818.60 = 125,998.80/x - Step 3: Cross multiply
230,974.80x = 346,818.60 × 125,998.80 - Step 4: Simplify right side
230,974.80x = 43,698,727,417.68 - Step 5: Solve for x
x = 43,698,727,417.68/230,974.80 - Step 6: Final answer
x = 189,192.62
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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.