Home / 111,292.32-166,852.20-55,093.68

Finding the Fourth Proportional to 111,292.32, 166,852.20 and 55,093.68

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Solution

The fourth proportional to 111,292.32, 166,852.20 and 55,093.68 is: 82,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,292.32 : 166,852.20 = 55,093.68 : x
  2. Step 2: Convert to fraction form
    111,292.32/166,852.20 = 55,093.68/x
  3. Step 3: Cross multiply
    111,292.32x = 166,852.20 × 55,093.68
  4. Step 4: Simplify right side
    111,292.32x = 9,192,501,714.10
  5. Step 5: Solve for x
    x = 9,192,501,714.10/111,292.32
  6. Step 6: Final answer
    x = 82,597.81

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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.