Home / 111,198.02-166,885.26-57,905.15

Finding the Fourth Proportional to 111,198.02, 166,885.26 and 57,905.15

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Solution

The fourth proportional to 111,198.02, 166,885.26 and 57,905.15 is: 86,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,198.02 : 166,885.26 = 57,905.15 : x
  2. Step 2: Convert to fraction form
    111,198.02/166,885.26 = 57,905.15/x
  3. Step 3: Cross multiply
    111,198.02x = 166,885.26 × 57,905.15
  4. Step 4: Simplify right side
    111,198.02x = 9,663,516,695.33
  5. Step 5: Solve for x
    x = 9,663,516,695.33/111,198.02
  6. Step 6: Final answer
    x = 86,903.68

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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.