Home / 281,582.37-388,593.56-154,257.95

Finding the Fourth Proportional to 281,582.37, 388,593.56 and 154,257.95

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Solution

The fourth proportional to 281,582.37, 388,593.56 and 154,257.95 is: 212,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,582.37 : 388,593.56 = 154,257.95 : x
  2. Step 2: Convert to fraction form
    281,582.37/388,593.56 = 154,257.95/x
  3. Step 3: Cross multiply
    281,582.37x = 388,593.56 × 154,257.95
  4. Step 4: Simplify right side
    281,582.37x = 59,943,647,305.93
  5. Step 5: Solve for x
    x = 59,943,647,305.93/281,582.37
  6. Step 6: Final answer
    x = 212,881.39

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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.