Home / 113,607.20-156,789.60-68,299.94

Finding the Fourth Proportional to 113,607.20, 156,789.60 and 68,299.94

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Solution

The fourth proportional to 113,607.20, 156,789.60 and 68,299.94 is: 94,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.20 : 156,789.60 = 68,299.94 : x
  2. Step 2: Convert to fraction form
    113,607.20/156,789.60 = 68,299.94/x
  3. Step 3: Cross multiply
    113,607.20x = 156,789.60 × 68,299.94
  4. Step 4: Simplify right side
    113,607.20x = 10,708,720,272.62
  5. Step 5: Solve for x
    x = 10,708,720,272.62/113,607.20
  6. Step 6: Final answer
    x = 94,260.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.