Finding the Fourth Proportional to 167,281.83, 230,849.46 and 90,800.99
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Solution
The fourth proportional to 167,281.83, 230,849.46 and 90,800.99 is: 125,305.65
Step by Step Solution
- Step 1: Write the proportion equation
167,281.83 : 230,849.46 = 90,800.99 : x - Step 2: Convert to fraction form
167,281.83/230,849.46 = 90,800.99/x - Step 3: Cross multiply
167,281.83x = 230,849.46 × 90,800.99 - Step 4: Simplify right side
167,281.83x = 20,961,357,900.71 - Step 5: Solve for x
x = 20,961,357,900.71/167,281.83 - Step 6: Final answer
x = 125,305.65
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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.