Home / 111,128.40-166,714.20-32,245.20

Finding the Fourth Proportional to 111,128.40, 166,714.20 and 32,245.20

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Solution

The fourth proportional to 111,128.40, 166,714.20 and 32,245.20 is: 48,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,128.40 : 166,714.20 = 32,245.20 : x
  2. Step 2: Convert to fraction form
    111,128.40/166,714.20 = 32,245.20/x
  3. Step 3: Cross multiply
    111,128.40x = 166,714.20 × 32,245.20
  4. Step 4: Simplify right side
    111,128.40x = 5,375,732,721.84
  5. Step 5: Solve for x
    x = 5,375,732,721.84/111,128.40
  6. Step 6: Final answer
    x = 48,374.07

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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.