Home / 183,138.13-274,704.54-111,108.21

Finding the Fourth Proportional to 183,138.13, 274,704.54 and 111,108.21

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Solution

The fourth proportional to 183,138.13, 274,704.54 and 111,108.21 is: 166,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,138.13 : 274,704.54 = 111,108.21 : x
  2. Step 2: Convert to fraction form
    183,138.13/274,704.54 = 111,108.21/x
  3. Step 3: Cross multiply
    183,138.13x = 274,704.54 × 111,108.21
  4. Step 4: Simplify right side
    183,138.13x = 30,521,929,718.27
  5. Step 5: Solve for x
    x = 30,521,929,718.27/183,138.13
  6. Step 6: Final answer
    x = 166,660.70

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1.5x scale

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.