Home / 111,145.19-166,735.15-36,247.91

Finding the Fourth Proportional to 111,145.19, 166,735.15 and 36,247.91

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Solution

The fourth proportional to 111,145.19, 166,735.15 and 36,247.91 is: 54,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,145.19 : 166,735.15 = 36,247.91 : x
  2. Step 2: Convert to fraction form
    111,145.19/166,735.15 = 36,247.91/x
  3. Step 3: Cross multiply
    111,145.19x = 166,735.15 × 36,247.91
  4. Step 4: Simplify right side
    111,145.19x = 6,043,800,711.04
  5. Step 5: Solve for x
    x = 6,043,800,711.04/111,145.19
  6. Step 6: Final answer
    x = 54,377.53

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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.