Home / 113,801.22-156,977.94-73,538.64

Finding the Fourth Proportional to 113,801.22, 156,977.94 and 73,538.64

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Solution

The fourth proportional to 113,801.22, 156,977.94 and 73,538.64 is: 101,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.22 : 156,977.94 = 73,538.64 : x
  2. Step 2: Convert to fraction form
    113,801.22/156,977.94 = 73,538.64/x
  3. Step 3: Cross multiply
    113,801.22x = 156,977.94 × 73,538.64
  4. Step 4: Simplify right side
    113,801.22x = 11,543,944,217.60
  5. Step 5: Solve for x
    x = 11,543,944,217.60/113,801.22
  6. Step 6: Final answer
    x = 101,439.55

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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.