Home / 194,270.25-268,122.75-117,801.81

Finding the Fourth Proportional to 194,270.25, 268,122.75 and 117,801.81

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Solution

The fourth proportional to 194,270.25, 268,122.75 and 117,801.81 is: 162,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,270.25 : 268,122.75 = 117,801.81 : x
  2. Step 2: Convert to fraction form
    194,270.25/268,122.75 = 117,801.81/x
  3. Step 3: Cross multiply
    194,270.25x = 268,122.75 × 117,801.81
  4. Step 4: Simplify right side
    194,270.25x = 31,585,345,252.18
  5. Step 5: Solve for x
    x = 31,585,345,252.18/194,270.25
  6. Step 6: Final answer
    x = 162,584.57

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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.