Home / 111,301.21-166,962.12-40,241.62

Finding the Fourth Proportional to 111,301.21, 166,962.12 and 40,241.62

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Solution

The fourth proportional to 111,301.21, 166,962.12 and 40,241.62 is: 60,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.21 : 166,962.12 = 40,241.62 : x
  2. Step 2: Convert to fraction form
    111,301.21/166,962.12 = 40,241.62/x
  3. Step 3: Cross multiply
    111,301.21x = 166,962.12 × 40,241.62
  4. Step 4: Simplify right side
    111,301.21x = 6,718,825,352.62
  5. Step 5: Solve for x
    x = 6,718,825,352.62/111,301.21
  6. Step 6: Final answer
    x = 60,366.15

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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.