Home / 330,845.49-496,317.47-153,370.44

Finding the Fourth Proportional to 330,845.49, 496,317.47 and 153,370.44

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Solution

The fourth proportional to 330,845.49, 496,317.47 and 153,370.44 is: 230,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,845.49 : 496,317.47 = 153,370.44 : x
  2. Step 2: Convert to fraction form
    330,845.49/496,317.47 = 153,370.44/x
  3. Step 3: Cross multiply
    330,845.49x = 496,317.47 × 153,370.44
  4. Step 4: Simplify right side
    330,845.49x = 76,120,427,986.73
  5. Step 5: Solve for x
    x = 76,120,427,986.73/330,845.49
  6. Step 6: Final answer
    x = 230,078.48

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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.