Home / 263,845.20-395,767.80-157,400.40

Finding the Fourth Proportional to 263,845.20, 395,767.80 and 157,400.40

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Solution

The fourth proportional to 263,845.20, 395,767.80 and 157,400.40 is: 236,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,845.20 : 395,767.80 = 157,400.40 : x
  2. Step 2: Convert to fraction form
    263,845.20/395,767.80 = 157,400.40/x
  3. Step 3: Cross multiply
    263,845.20x = 395,767.80 × 157,400.40
  4. Step 4: Simplify right side
    263,845.20x = 62,294,010,027.12
  5. Step 5: Solve for x
    x = 62,294,010,027.12/263,845.20
  6. Step 6: Final answer
    x = 236,100.60

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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.