Home / 104,238.39-156,357.72-73,212.15

Finding the Fourth Proportional to 104,238.39, 156,357.72 and 73,212.15

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Solution

The fourth proportional to 104,238.39, 156,357.72 and 73,212.15 is: 109,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238.39 : 156,357.72 = 73,212.15 : x
  2. Step 2: Convert to fraction form
    104,238.39/156,357.72 = 73,212.15/x
  3. Step 3: Cross multiply
    104,238.39x = 156,357.72 × 73,212.15
  4. Step 4: Simplify right side
    104,238.39x = 11,447,284,850.30
  5. Step 5: Solve for x
    x = 11,447,284,850.30/104,238.39
  6. Step 6: Final answer
    x = 109,818.32

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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.