Home / 154,443.60-231,665.40-95,086.80

Finding the Fourth Proportional to 154,443.60, 231,665.40 and 95,086.80

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Solution

The fourth proportional to 154,443.60, 231,665.40 and 95,086.80 is: 142,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,443.60 : 231,665.40 = 95,086.80 : x
  2. Step 2: Convert to fraction form
    154,443.60/231,665.40 = 95,086.80/x
  3. Step 3: Cross multiply
    154,443.60x = 231,665.40 × 95,086.80
  4. Step 4: Simplify right side
    154,443.60x = 22,028,321,556.72
  5. Step 5: Solve for x
    x = 22,028,321,556.72/154,443.60
  6. Step 6: Final answer
    x = 142,630.20

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1.5x scale

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.