Home / 142,914.04-197,175.94-82,476.68

Finding the Fourth Proportional to 142,914.04, 197,175.94 and 82,476.68

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Solution

The fourth proportional to 142,914.04, 197,175.94 and 82,476.68 is: 113,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,914.04 : 197,175.94 = 82,476.68 : x
  2. Step 2: Convert to fraction form
    142,914.04/197,175.94 = 82,476.68/x
  3. Step 3: Cross multiply
    142,914.04x = 197,175.94 × 82,476.68
  4. Step 4: Simplify right side
    142,914.04x = 16,262,416,907.08
  5. Step 5: Solve for x
    x = 16,262,416,907.08/142,914.04
  6. Step 6: Final answer
    x = 113,791.60

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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.