Home / 131,028.48-196,439.04-130,867.20

Finding the Fourth Proportional to 131,028.48, 196,439.04 and 130,867.20

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Solution

The fourth proportional to 131,028.48, 196,439.04 and 130,867.20 is: 196,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,028.48 : 196,439.04 = 130,867.20 : x
  2. Step 2: Convert to fraction form
    131,028.48/196,439.04 = 130,867.20/x
  3. Step 3: Cross multiply
    131,028.48x = 196,439.04 × 130,867.20
  4. Step 4: Simplify right side
    131,028.48x = 25,707,427,135.49
  5. Step 5: Solve for x
    x = 25,707,427,135.49/131,028.48
  6. Step 6: Final answer
    x = 196,197.25

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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.