Home / 156,109.68-234,201.78-50,928.75

Finding the Fourth Proportional to 156,109.68, 234,201.78 and 50,928.75

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Solution

The fourth proportional to 156,109.68, 234,201.78 and 50,928.75 is: 76,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,109.68 : 234,201.78 = 50,928.75 : x
  2. Step 2: Convert to fraction form
    156,109.68/234,201.78 = 50,928.75/x
  3. Step 3: Cross multiply
    156,109.68x = 234,201.78 × 50,928.75
  4. Step 4: Simplify right side
    156,109.68x = 11,927,603,903.18
  5. Step 5: Solve for x
    x = 11,927,603,903.18/156,109.68
  6. Step 6: Final answer
    x = 76,405.28

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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.