Home / 107,896.20-161,844.30-105,822.60

Finding the Fourth Proportional to 107,896.20, 161,844.30 and 105,822.60

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Solution

The fourth proportional to 107,896.20, 161,844.30 and 105,822.60 is: 158,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896.20 : 161,844.30 = 105,822.60 : x
  2. Step 2: Convert to fraction form
    107,896.20/161,844.30 = 105,822.60/x
  3. Step 3: Cross multiply
    107,896.20x = 161,844.30 × 105,822.60
  4. Step 4: Simplify right side
    107,896.20x = 17,126,784,621.18
  5. Step 5: Solve for x
    x = 17,126,784,621.18/107,896.20
  6. Step 6: Final answer
    x = 158,733.90

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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.