Home / 235,478.00-324,845.44-139,917.04

Finding the Fourth Proportional to 235,478.00, 324,845.44 and 139,917.04

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Solution

The fourth proportional to 235,478.00, 324,845.44 and 139,917.04 is: 193,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,478.00 : 324,845.44 = 139,917.04 : x
  2. Step 2: Convert to fraction form
    235,478.00/324,845.44 = 139,917.04/x
  3. Step 3: Cross multiply
    235,478.00x = 324,845.44 × 139,917.04
  4. Step 4: Simplify right side
    235,478.00x = 45,451,411,260.39
  5. Step 5: Solve for x
    x = 45,451,411,260.39/235,478.00
  6. Step 6: Final answer
    x = 193,017.65

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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.