Home / 235,317.78-324,766.17-139,824.54

Finding the Fourth Proportional to 235,317.78, 324,766.17 and 139,824.54

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Solution

The fourth proportional to 235,317.78, 324,766.17 and 139,824.54 is: 192,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,317.78 : 324,766.17 = 139,824.54 : x
  2. Step 2: Convert to fraction form
    235,317.78/324,766.17 = 139,824.54/x
  3. Step 3: Cross multiply
    235,317.78x = 324,766.17 × 139,824.54
  4. Step 4: Simplify right side
    235,317.78x = 45,410,280,327.81
  5. Step 5: Solve for x
    x = 45,410,280,327.81/235,317.78
  6. Step 6: Final answer
    x = 192,974.28

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1.5x scale

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.