Finding the Fourth Proportional to 266,216.36, 367,335.20 and 157,305.53
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Solution
The fourth proportional to 266,216.36, 367,335.20 and 157,305.53 is: 217,055.99
Step by Step Solution
- Step 1: Write the proportion equation
266,216.36 : 367,335.20 = 157,305.53 : x - Step 2: Convert to fraction form
266,216.36/367,335.20 = 157,305.53/x - Step 3: Cross multiply
266,216.36x = 367,335.20 × 157,305.53 - Step 4: Simplify right side
266,216.36x = 57,783,855,700.45 - Step 5: Solve for x
x = 57,783,855,700.45/266,216.36 - Step 6: Final answer
x = 217,055.99
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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.