Home / 227,612.58-314,128.40-195,453.65

Finding the Fourth Proportional to 227,612.58, 314,128.40 and 195,453.65

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Solution

The fourth proportional to 227,612.58, 314,128.40 and 195,453.65 is: 269,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,612.58 : 314,128.40 = 195,453.65 : x
  2. Step 2: Convert to fraction form
    227,612.58/314,128.40 = 195,453.65/x
  3. Step 3: Cross multiply
    227,612.58x = 314,128.40 × 195,453.65
  4. Step 4: Simplify right side
    227,612.58x = 61,397,542,348.66
  5. Step 5: Solve for x
    x = 61,397,542,348.66/227,612.58
  6. Step 6: Final answer
    x = 269,745.82

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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.