Home / 111,145.13-166,735.05-36,247.86

Finding the Fourth Proportional to 111,145.13, 166,735.05 and 36,247.86

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Solution

The fourth proportional to 111,145.13, 166,735.05 and 36,247.86 is: 54,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,145.13 : 166,735.05 = 36,247.86 : x
  2. Step 2: Convert to fraction form
    111,145.13/166,735.05 = 36,247.86/x
  3. Step 3: Cross multiply
    111,145.13x = 166,735.05 × 36,247.86
  4. Step 4: Simplify right side
    111,145.13x = 6,043,788,749.49
  5. Step 5: Solve for x
    x = 6,043,788,749.49/111,145.13
  6. Step 6: Final answer
    x = 54,377.45

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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.