Home / 236,919.45-355,326.89-68,403.12

Finding the Fourth Proportional to 236,919.45, 355,326.89 and 68,403.12

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Solution

The fourth proportional to 236,919.45, 355,326.89 and 68,403.12 is: 102,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,919.45 : 355,326.89 = 68,403.12 : x
  2. Step 2: Convert to fraction form
    236,919.45/355,326.89 = 68,403.12/x
  3. Step 3: Cross multiply
    236,919.45x = 355,326.89 × 68,403.12
  4. Step 4: Simplify right side
    236,919.45x = 24,305,466,798.56
  5. Step 5: Solve for x
    x = 24,305,466,798.56/236,919.45
  6. Step 6: Final answer
    x = 102,589.58

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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.