Home / 167,640.21-251,495.55-49,301.64

Finding the Fourth Proportional to 167,640.21, 251,495.55 and 49,301.64

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Solution

The fourth proportional to 167,640.21, 251,495.55 and 49,301.64 is: 73,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,640.21 : 251,495.55 = 49,301.64 : x
  2. Step 2: Convert to fraction form
    167,640.21/251,495.55 = 49,301.64/x
  3. Step 3: Cross multiply
    167,640.21x = 251,495.55 × 49,301.64
  4. Step 4: Simplify right side
    167,640.21x = 12,399,143,067.70
  5. Step 5: Solve for x
    x = 12,399,143,067.70/167,640.21
  6. Step 6: Final answer
    x = 73,962.82

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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.