Home / 167,428.60-251,175.30-49,103.80

Finding the Fourth Proportional to 167,428.60, 251,175.30 and 49,103.80

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Solution

The fourth proportional to 167,428.60, 251,175.30 and 49,103.80 is: 73,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,428.60 : 251,175.30 = 49,103.80 : x
  2. Step 2: Convert to fraction form
    167,428.60/251,175.30 = 49,103.80/x
  3. Step 3: Cross multiply
    167,428.60x = 251,175.30 × 49,103.80
  4. Step 4: Simplify right side
    167,428.60x = 12,333,661,696.14
  5. Step 5: Solve for x
    x = 12,333,661,696.14/167,428.60
  6. Step 6: Final answer
    x = 73,665.20

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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.