Home / 303,514.20-455,546.70-153,858.60

Finding the Fourth Proportional to 303,514.20, 455,546.70 and 153,858.60

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Solution

The fourth proportional to 303,514.20, 455,546.70 and 153,858.60 is: 230,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,514.20 : 455,546.70 = 153,858.60 : x
  2. Step 2: Convert to fraction form
    303,514.20/455,546.70 = 153,858.60/x
  3. Step 3: Cross multiply
    303,514.20x = 455,546.70 × 153,858.60
  4. Step 4: Simplify right side
    303,514.20x = 70,089,777,496.62
  5. Step 5: Solve for x
    x = 70,089,777,496.62/303,514.20
  6. Step 6: Final answer
    x = 230,927.51

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1.5x scale

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.