Home / 301,086.27-451,629.60-76,463.55

Finding the Fourth Proportional to 301,086.27, 451,629.60 and 76,463.55

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Solution

The fourth proportional to 301,086.27, 451,629.60 and 76,463.55 is: 114,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,086.27 : 451,629.60 = 76,463.55 : x
  2. Step 2: Convert to fraction form
    301,086.27/451,629.60 = 76,463.55/x
  3. Step 3: Cross multiply
    301,086.27x = 451,629.60 × 76,463.55
  4. Step 4: Simplify right side
    301,086.27x = 34,533,202,501.08
  5. Step 5: Solve for x
    x = 34,533,202,501.08/301,086.27
  6. Step 6: Final answer
    x = 114,695.37

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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.