Home / 125,839.20-189,196.20-106,593.60

Finding the Fourth Proportional to 125,839.20, 189,196.20 and 106,593.60

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Solution

The fourth proportional to 125,839.20, 189,196.20 and 106,593.60 is: 160,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,839.20 : 189,196.20 = 106,593.60 : x
  2. Step 2: Convert to fraction form
    125,839.20/189,196.20 = 106,593.60/x
  3. Step 3: Cross multiply
    125,839.20x = 189,196.20 × 106,593.60
  4. Step 4: Simplify right side
    125,839.20x = 20,167,104,064.32
  5. Step 5: Solve for x
    x = 20,167,104,064.32/125,839.20
  6. Step 6: Final answer
    x = 160,260.90

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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.