Home / 111,239.20-166,862.90-57,189.42

Finding the Fourth Proportional to 111,239.20, 166,862.90 and 57,189.42

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Solution

The fourth proportional to 111,239.20, 166,862.90 and 57,189.42 is: 85,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,239.20 : 166,862.90 = 57,189.42 : x
  2. Step 2: Convert to fraction form
    111,239.20/166,862.90 = 57,189.42/x
  3. Step 3: Cross multiply
    111,239.20x = 166,862.90 × 57,189.42
  4. Step 4: Simplify right side
    111,239.20x = 9,542,792,470.52
  5. Step 5: Solve for x
    x = 9,542,792,470.52/111,239.20
  6. Step 6: Final answer
    x = 85,786.24

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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.