Home / 126,758.46-190,229.26-49,832.90

Finding the Fourth Proportional to 126,758.46, 190,229.26 and 49,832.90

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Solution

The fourth proportional to 126,758.46, 190,229.26 and 49,832.90 is: 74,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,758.46 : 190,229.26 = 49,832.90 : x
  2. Step 2: Convert to fraction form
    126,758.46/190,229.26 = 49,832.90/x
  3. Step 3: Cross multiply
    126,758.46x = 190,229.26 × 49,832.90
  4. Step 4: Simplify right side
    126,758.46x = 9,479,675,690.65
  5. Step 5: Solve for x
    x = 9,479,675,690.65/126,758.46
  6. Step 6: Final answer
    x = 74,785.35

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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.