Home / 146,514.75-202,190.46-79,446.75

Finding the Fourth Proportional to 146,514.75, 202,190.46 and 79,446.75

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Solution

The fourth proportional to 146,514.75, 202,190.46 and 79,446.75 is: 109,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,514.75 : 202,190.46 = 79,446.75 : x
  2. Step 2: Convert to fraction form
    146,514.75/202,190.46 = 79,446.75/x
  3. Step 3: Cross multiply
    146,514.75x = 202,190.46 × 79,446.75
  4. Step 4: Simplify right side
    146,514.75x = 16,063,374,928.01
  5. Step 5: Solve for x
    x = 16,063,374,928.01/146,514.75
  6. Step 6: Final answer
    x = 109,636.57

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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.