Home / 113,738.31-156,927.38-73,453.77

Finding the Fourth Proportional to 113,738.31, 156,927.38 and 73,453.77

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Solution

The fourth proportional to 113,738.31, 156,927.38 and 73,453.77 is: 101,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,738.31 : 156,927.38 = 73,453.77 : x
  2. Step 2: Convert to fraction form
    113,738.31/156,927.38 = 73,453.77/x
  3. Step 3: Cross multiply
    113,738.31x = 156,927.38 × 73,453.77
  4. Step 4: Simplify right side
    113,738.31x = 11,526,907,309.95
  5. Step 5: Solve for x
    x = 11,526,907,309.95/113,738.31
  6. Step 6: Final answer
    x = 101,345.86

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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.