Home / 204,909.03-307,418.27-64,670.31

Finding the Fourth Proportional to 204,909.03, 307,418.27 and 64,670.31

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Solution

The fourth proportional to 204,909.03, 307,418.27 and 64,670.31 is: 97,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,909.03 : 307,418.27 = 64,670.31 : x
  2. Step 2: Convert to fraction form
    204,909.03/307,418.27 = 64,670.31/x
  3. Step 3: Cross multiply
    204,909.03x = 307,418.27 × 64,670.31
  4. Step 4: Simplify right side
    204,909.03x = 19,880,834,497.21
  5. Step 5: Solve for x
    x = 19,880,834,497.21/204,909.03
  6. Step 6: Final answer
    x = 97,022.73

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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.