Home / 156,974.60-235,456.65-68,228.12

Finding the Fourth Proportional to 156,974.60, 235,456.65 and 68,228.12

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Solution

The fourth proportional to 156,974.60, 235,456.65 and 68,228.12 is: 102,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.60 : 235,456.65 = 68,228.12 : x
  2. Step 2: Convert to fraction form
    156,974.60/235,456.65 = 68,228.12/x
  3. Step 3: Cross multiply
    156,974.60x = 235,456.65 × 68,228.12
  4. Step 4: Simplify right side
    156,974.60x = 16,064,764,571.00
  5. Step 5: Solve for x
    x = 16,064,764,571.00/156,974.60
  6. Step 6: Final answer
    x = 102,339.90

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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.