Home / 281,582.26-388,593.24-154,257.82

Finding the Fourth Proportional to 281,582.26, 388,593.24 and 154,257.82

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Solution

The fourth proportional to 281,582.26, 388,593.24 and 154,257.82 is: 212,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,582.26 : 388,593.24 = 154,257.82 : x
  2. Step 2: Convert to fraction form
    281,582.26/388,593.24 = 154,257.82/x
  3. Step 3: Cross multiply
    281,582.26x = 388,593.24 × 154,257.82
  4. Step 4: Simplify right side
    281,582.26x = 59,943,546,069.14
  5. Step 5: Solve for x
    x = 59,943,546,069.14/281,582.26
  6. Step 6: Final answer
    x = 212,881.12

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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.