Home / 268,112.32-401,556.06-127,969.36

Finding the Fourth Proportional to 268,112.32, 401,556.06 and 127,969.36

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Solution

The fourth proportional to 268,112.32, 401,556.06 and 127,969.36 is: 191,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,112.32 : 401,556.06 = 127,969.36 : x
  2. Step 2: Convert to fraction form
    268,112.32/401,556.06 = 127,969.36/x
  3. Step 3: Cross multiply
    268,112.32x = 401,556.06 × 127,969.36
  4. Step 4: Simplify right side
    268,112.32x = 51,386,872,002.32
  5. Step 5: Solve for x
    x = 51,386,872,002.32/268,112.32
  6. Step 6: Final answer
    x = 191,661.73

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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.