Home / 122,791.28-184,217.58-42,830.41

Finding the Fourth Proportional to 122,791.28, 184,217.58 and 42,830.41

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Solution

The fourth proportional to 122,791.28, 184,217.58 and 42,830.41 is: 64,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,791.28 : 184,217.58 = 42,830.41 : x
  2. Step 2: Convert to fraction form
    122,791.28/184,217.58 = 42,830.41/x
  3. Step 3: Cross multiply
    122,791.28x = 184,217.58 × 42,830.41
  4. Step 4: Simplify right side
    122,791.28x = 7,890,115,004.04
  5. Step 5: Solve for x
    x = 7,890,115,004.04/122,791.28
  6. Step 6: Final answer
    x = 64,256.31

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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.