Home / 113,607.44-156,778.44-63,305.36

Finding the Fourth Proportional to 113,607.44, 156,778.44 and 63,305.36

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Solution

The fourth proportional to 113,607.44, 156,778.44 and 63,305.36 is: 87,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.44 : 156,778.44 = 63,305.36 : x
  2. Step 2: Convert to fraction form
    113,607.44/156,778.44 = 63,305.36/x
  3. Step 3: Cross multiply
    113,607.44x = 156,778.44 × 63,305.36
  4. Step 4: Simplify right side
    113,607.44x = 9,924,915,584.44
  5. Step 5: Solve for x
    x = 9,924,915,584.44/113,607.44
  6. Step 6: Final answer
    x = 87,361.49

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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.