Home / 143,270.67-197,515.97-114,297.38

Finding the Fourth Proportional to 143,270.67, 197,515.97 and 114,297.38

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Solution

The fourth proportional to 143,270.67, 197,515.97 and 114,297.38 is: 157,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,270.67 : 197,515.97 = 114,297.38 : x
  2. Step 2: Convert to fraction form
    143,270.67/197,515.97 = 114,297.38/x
  3. Step 3: Cross multiply
    143,270.67x = 197,515.97 × 114,297.38
  4. Step 4: Simplify right side
    143,270.67x = 22,575,557,489.39
  5. Step 5: Solve for x
    x = 22,575,557,489.39/143,270.67
  6. Step 6: Final answer
    x = 157,572.77

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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.