Home / 111,142.15-166,629.38-36,217.55

Finding the Fourth Proportional to 111,142.15, 166,629.38 and 36,217.55

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Solution

The fourth proportional to 111,142.15, 166,629.38 and 36,217.55 is: 54,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,142.15 : 166,629.38 = 36,217.55 : x
  2. Step 2: Convert to fraction form
    111,142.15/166,629.38 = 36,217.55/x
  3. Step 3: Cross multiply
    111,142.15x = 166,629.38 × 36,217.55
  4. Step 4: Simplify right side
    111,142.15x = 6,034,908,137.10
  5. Step 5: Solve for x
    x = 6,034,908,137.10/111,142.15
  6. Step 6: Final answer
    x = 54,299.01

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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.