Home / 195,443.20-293,164.80-125,401.60

Finding the Fourth Proportional to 195,443.20, 293,164.80 and 125,401.60

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Solution

The fourth proportional to 195,443.20, 293,164.80 and 125,401.60 is: 188,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,443.20 : 293,164.80 = 125,401.60 : x
  2. Step 2: Convert to fraction form
    195,443.20/293,164.80 = 125,401.60/x
  3. Step 3: Cross multiply
    195,443.20x = 293,164.80 × 125,401.60
  4. Step 4: Simplify right side
    195,443.20x = 36,763,334,983.68
  5. Step 5: Solve for x
    x = 36,763,334,983.68/195,443.20
  6. Step 6: Final answer
    x = 188,102.40

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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.