Finding the Fourth Proportional to 157,358.16, 236,038.85 and 125,967.75
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Solution
The fourth proportional to 157,358.16, 236,038.85 and 125,967.75 is: 188,952.92
Step by Step Solution
- Step 1: Write the proportion equation
157,358.16 : 236,038.85 = 125,967.75 : x - Step 2: Convert to fraction form
157,358.16/236,038.85 = 125,967.75/x - Step 3: Cross multiply
157,358.16x = 236,038.85 × 125,967.75 - Step 4: Simplify right side
157,358.16x = 29,733,282,847.09 - Step 5: Solve for x
x = 29,733,282,847.09/157,358.16 - Step 6: Final answer
x = 188,952.92
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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.