Finding the Fourth Proportional to 135,749.51, 203,291.95 and 95,669.99
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Solution
The fourth proportional to 135,749.51, 203,291.95 and 95,669.99 is: 143,270.78
Step by Step Solution
- Step 1: Write the proportion equation
135,749.51 : 203,291.95 = 95,669.99 : x - Step 2: Convert to fraction form
135,749.51/203,291.95 = 95,669.99/x - Step 3: Cross multiply
135,749.51x = 203,291.95 × 95,669.99 - Step 4: Simplify right side
135,749.51x = 19,448,938,823.58 - Step 5: Solve for x
x = 19,448,938,823.58/135,749.51 - Step 6: Final answer
x = 143,270.78
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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.