Home / 220,956.20-331,434.30-96,540.20

Finding the Fourth Proportional to 220,956.20, 331,434.30 and 96,540.20

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Solution

The fourth proportional to 220,956.20, 331,434.30 and 96,540.20 is: 144,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,956.20 : 331,434.30 = 96,540.20 : x
  2. Step 2: Convert to fraction form
    220,956.20/331,434.30 = 96,540.20/x
  3. Step 3: Cross multiply
    220,956.20x = 331,434.30 × 96,540.20
  4. Step 4: Simplify right side
    220,956.20x = 31,996,733,608.86
  5. Step 5: Solve for x
    x = 31,996,733,608.86/220,956.20
  6. Step 6: Final answer
    x = 144,810.30

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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.