Finding the Fourth Proportional to 147,730.14, 203,277.06 and 143,596.71
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Solution
The fourth proportional to 147,730.14, 203,277.06 and 143,596.71 is: 197,589.45
Step by Step Solution
- Step 1: Write the proportion equation
147,730.14 : 203,277.06 = 143,596.71 : x - Step 2: Convert to fraction form
147,730.14/203,277.06 = 143,596.71/x - Step 3: Cross multiply
147,730.14x = 203,277.06 × 143,596.71 - Step 4: Simplify right side
147,730.14x = 29,189,917,034.47 - Step 5: Solve for x
x = 29,189,917,034.47/147,730.14 - Step 6: Final answer
x = 197,589.45
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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.