Home / 268,112.34-401,556.06-127,969.38

Finding the Fourth Proportional to 268,112.34, 401,556.06 and 127,969.38

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Solution

The fourth proportional to 268,112.34, 401,556.06 and 127,969.38 is: 191,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,112.34 : 401,556.06 = 127,969.38 : x
  2. Step 2: Convert to fraction form
    268,112.34/401,556.06 = 127,969.38/x
  3. Step 3: Cross multiply
    268,112.34x = 401,556.06 × 127,969.38
  4. Step 4: Simplify right side
    268,112.34x = 51,386,880,033.44
  5. Step 5: Solve for x
    x = 51,386,880,033.44/268,112.34
  6. Step 6: Final answer
    x = 191,661.75

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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.