Home / 118,945.72-178,418.64-35,839.72

Finding the Fourth Proportional to 118,945.72, 178,418.64 and 35,839.72

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Solution

The fourth proportional to 118,945.72, 178,418.64 and 35,839.72 is: 53,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,945.72 : 178,418.64 = 35,839.72 : x
  2. Step 2: Convert to fraction form
    118,945.72/178,418.64 = 35,839.72/x
  3. Step 3: Cross multiply
    118,945.72x = 178,418.64 × 35,839.72
  4. Step 4: Simplify right side
    118,945.72x = 6,394,474,100.38
  5. Step 5: Solve for x
    x = 6,394,474,100.38/118,945.72
  6. Step 6: Final answer
    x = 53,759.60

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1.5x scale

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.