Home / 268,067.07-402,013.13-118,301.31

Finding the Fourth Proportional to 268,067.07, 402,013.13 and 118,301.31

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Solution

The fourth proportional to 268,067.07, 402,013.13 and 118,301.31 is: 177,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,067.07 : 402,013.13 = 118,301.31 : x
  2. Step 2: Convert to fraction form
    268,067.07/402,013.13 = 118,301.31/x
  3. Step 3: Cross multiply
    268,067.07x = 402,013.13 × 118,301.31
  4. Step 4: Simplify right side
    268,067.07x = 47,558,679,324.69
  5. Step 5: Solve for x
    x = 47,558,679,324.69/268,067.07
  6. Step 6: Final answer
    x = 177,413.36

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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.