Home / 123,232.20-184,934.70-78,966.60

Finding the Fourth Proportional to 123,232.20, 184,934.70 and 78,966.60

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Solution

The fourth proportional to 123,232.20, 184,934.70 and 78,966.60 is: 118,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,232.20 : 184,934.70 = 78,966.60 : x
  2. Step 2: Convert to fraction form
    123,232.20/184,934.70 = 78,966.60/x
  3. Step 3: Cross multiply
    123,232.20x = 184,934.70 × 78,966.60
  4. Step 4: Simplify right side
    123,232.20x = 14,603,664,481.02
  5. Step 5: Solve for x
    x = 14,603,664,481.02/123,232.20
  6. Step 6: Final answer
    x = 118,505.26

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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.