Home / 124,626.76-172,046.66-76,906.44

Finding the Fourth Proportional to 124,626.76, 172,046.66 and 76,906.44

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Solution

The fourth proportional to 124,626.76, 172,046.66 and 76,906.44 is: 106,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,626.76 : 172,046.66 = 76,906.44 : x
  2. Step 2: Convert to fraction form
    124,626.76/172,046.66 = 76,906.44/x
  3. Step 3: Cross multiply
    124,626.76x = 172,046.66 × 76,906.44
  4. Step 4: Simplify right side
    124,626.76x = 13,231,496,134.49
  5. Step 5: Solve for x
    x = 13,231,496,134.49/124,626.76
  6. Step 6: Final answer
    x = 106,168.98

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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.