Home / 111,012.86-166,521.35-36,132.75

Finding the Fourth Proportional to 111,012.86, 166,521.35 and 36,132.75

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Solution

The fourth proportional to 111,012.86, 166,521.35 and 36,132.75 is: 54,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,012.86 : 166,521.35 = 36,132.75 : x
  2. Step 2: Convert to fraction form
    111,012.86/166,521.35 = 36,132.75/x
  3. Step 3: Cross multiply
    111,012.86x = 166,521.35 × 36,132.75
  4. Step 4: Simplify right side
    111,012.86x = 6,016,874,399.54
  5. Step 5: Solve for x
    x = 6,016,874,399.54/111,012.86
  6. Step 6: Final answer
    x = 54,199.80

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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.