Home / 124,845.37-172,286.90-68,260.39

Finding the Fourth Proportional to 124,845.37, 172,286.90 and 68,260.39

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Solution

The fourth proportional to 124,845.37, 172,286.90 and 68,260.39 is: 94,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.37 : 172,286.90 = 68,260.39 : x
  2. Step 2: Convert to fraction form
    124,845.37/172,286.90 = 68,260.39/x
  3. Step 3: Cross multiply
    124,845.37x = 172,286.90 × 68,260.39
  4. Step 4: Simplify right side
    124,845.37x = 11,760,370,469.85
  5. Step 5: Solve for x
    x = 11,760,370,469.85/124,845.37
  6. Step 6: Final answer
    x = 94,199.49

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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.