Home / 113,489.06-156,562.26-73,215.74

Finding the Fourth Proportional to 113,489.06, 156,562.26 and 73,215.74

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Solution

The fourth proportional to 113,489.06, 156,562.26 and 73,215.74 is: 101,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,489.06 : 156,562.26 = 73,215.74 : x
  2. Step 2: Convert to fraction form
    113,489.06/156,562.26 = 73,215.74/x
  3. Step 3: Cross multiply
    113,489.06x = 156,562.26 × 73,215.74
  4. Step 4: Simplify right side
    113,489.06x = 11,462,821,721.97
  5. Step 5: Solve for x
    x = 11,462,821,721.97/113,489.06
  6. Step 6: Final answer
    x = 101,003.76

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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.