Home / 111,446.12-166,980.86-55,211.24

Finding the Fourth Proportional to 111,446.12, 166,980.86 and 55,211.24

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Solution

The fourth proportional to 111,446.12, 166,980.86 and 55,211.24 is: 82,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,446.12 : 166,980.86 = 55,211.24 : x
  2. Step 2: Convert to fraction form
    111,446.12/166,980.86 = 55,211.24/x
  3. Step 3: Cross multiply
    111,446.12x = 166,980.86 × 55,211.24
  4. Step 4: Simplify right side
    111,446.12x = 9,219,220,336.87
  5. Step 5: Solve for x
    x = 9,219,220,336.87/111,446.12
  6. Step 6: Final answer
    x = 82,723.56

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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.