Home / 111,186.44-166,780.22-28,080.52

Finding the Fourth Proportional to 111,186.44, 166,780.22 and 28,080.52

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Solution

The fourth proportional to 111,186.44, 166,780.22 and 28,080.52 is: 42,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186.44 : 166,780.22 = 28,080.52 : x
  2. Step 2: Convert to fraction form
    111,186.44/166,780.22 = 28,080.52/x
  3. Step 3: Cross multiply
    111,186.44x = 166,780.22 × 28,080.52
  4. Step 4: Simplify right side
    111,186.44x = 4,683,275,303.31
  5. Step 5: Solve for x
    x = 4,683,275,303.31/111,186.44
  6. Step 6: Final answer
    x = 42,120.92

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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.