Home / 111,438.38-166,963.48-92,837.95

Finding the Fourth Proportional to 111,438.38, 166,963.48 and 92,837.95

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Solution

The fourth proportional to 111,438.38, 166,963.48 and 92,837.95 is: 139,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,438.38 : 166,963.48 = 92,837.95 : x
  2. Step 2: Convert to fraction form
    111,438.38/166,963.48 = 92,837.95/x
  3. Step 3: Cross multiply
    111,438.38x = 166,963.48 × 92,837.95
  4. Step 4: Simplify right side
    111,438.38x = 15,500,546,558.56
  5. Step 5: Solve for x
    x = 15,500,546,558.56/111,438.38
  6. Step 6: Final answer
    x = 139,095.22

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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.