Home / 204,920.10-307,380.15-116,346.60

Finding the Fourth Proportional to 204,920.10, 307,380.15 and 116,346.60

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Solution

The fourth proportional to 204,920.10, 307,380.15 and 116,346.60 is: 174,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,920.10 : 307,380.15 = 116,346.60 : x
  2. Step 2: Convert to fraction form
    204,920.10/307,380.15 = 116,346.60/x
  3. Step 3: Cross multiply
    204,920.10x = 307,380.15 × 116,346.60
  4. Step 4: Simplify right side
    204,920.10x = 35,762,635,359.99
  5. Step 5: Solve for x
    x = 35,762,635,359.99/204,920.10
  6. Step 6: Final answer
    x = 174,519.90

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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.