Home / 215,839.49-323,788.79-73,646.62

Finding the Fourth Proportional to 215,839.49, 323,788.79 and 73,646.62

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Solution

The fourth proportional to 215,839.49, 323,788.79 and 73,646.62 is: 110,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,839.49 : 323,788.79 = 73,646.62 : x
  2. Step 2: Convert to fraction form
    215,839.49/323,788.79 = 73,646.62/x
  3. Step 3: Cross multiply
    215,839.49x = 323,788.79 × 73,646.62
  4. Step 4: Simplify right side
    215,839.49x = 23,845,949,352.03
  5. Step 5: Solve for x
    x = 23,845,949,352.03/215,839.49
  6. Step 6: Final answer
    x = 110,480.01

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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.