Home / 113,800.22-156,976.56-73,537.64

Finding the Fourth Proportional to 113,800.22, 156,976.56 and 73,537.64

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Solution

The fourth proportional to 113,800.22, 156,976.56 and 73,537.64 is: 101,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.22 : 156,976.56 = 73,537.64 : x
  2. Step 2: Convert to fraction form
    113,800.22/156,976.56 = 73,537.64/x
  3. Step 3: Cross multiply
    113,800.22x = 156,976.56 × 73,537.64
  4. Step 4: Simplify right side
    113,800.22x = 11,543,685,757.72
  5. Step 5: Solve for x
    x = 11,543,685,757.72/113,800.22
  6. Step 6: Final answer
    x = 101,438.17

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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.