Home / 268,067.95-369,933.75-147,211.25

Finding the Fourth Proportional to 268,067.95, 369,933.75 and 147,211.25

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Solution

The fourth proportional to 268,067.95, 369,933.75 and 147,211.25 is: 203,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,067.95 : 369,933.75 = 147,211.25 : x
  2. Step 2: Convert to fraction form
    268,067.95/369,933.75 = 147,211.25/x
  3. Step 3: Cross multiply
    268,067.95x = 369,933.75 × 147,211.25
  4. Step 4: Simplify right side
    268,067.95x = 54,458,407,905.02
  5. Step 5: Solve for x
    x = 54,458,407,905.02/268,067.95
  6. Step 6: Final answer
    x = 203,151.51

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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.