Home / 156,078.27-234,179.73-92,928.15

Finding the Fourth Proportional to 156,078.27, 234,179.73 and 92,928.15

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Solution

The fourth proportional to 156,078.27, 234,179.73 and 92,928.15 is: 139,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,078.27 : 234,179.73 = 92,928.15 : x
  2. Step 2: Convert to fraction form
    156,078.27/234,179.73 = 92,928.15/x
  3. Step 3: Cross multiply
    156,078.27x = 234,179.73 × 92,928.15
  4. Step 4: Simplify right side
    156,078.27x = 21,761,889,076.40
  5. Step 5: Solve for x
    x = 21,761,889,076.40/156,078.27
  6. Step 6: Final answer
    x = 139,429.33

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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.