Home / 111,140.40-166,732.20-32,257.20

Finding the Fourth Proportional to 111,140.40, 166,732.20 and 32,257.20

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Solution

The fourth proportional to 111,140.40, 166,732.20 and 32,257.20 is: 48,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.40 : 166,732.20 = 32,257.20 : x
  2. Step 2: Convert to fraction form
    111,140.40/166,732.20 = 32,257.20/x
  3. Step 3: Cross multiply
    111,140.40x = 166,732.20 × 32,257.20
  4. Step 4: Simplify right side
    111,140.40x = 5,378,313,921.84
  5. Step 5: Solve for x
    x = 5,378,313,921.84/111,140.40
  6. Step 6: Final answer
    x = 48,392.07

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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.