Finding the Fourth Proportional to 176,252.13, 243,228.15 and 100,800.63
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Solution
The fourth proportional to 176,252.13, 243,228.15 and 100,800.63 is: 139,104.99
Step by Step Solution
- Step 1: Write the proportion equation
176,252.13 : 243,228.15 = 100,800.63 : x - Step 2: Convert to fraction form
176,252.13/243,228.15 = 100,800.63/x - Step 3: Cross multiply
176,252.13x = 243,228.15 × 100,800.63 - Step 4: Simplify right side
176,252.13x = 24,517,550,753.73 - Step 5: Solve for x
x = 24,517,550,753.73/176,252.13 - Step 6: Final answer
x = 139,104.99
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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.