Home / 123,623.70-185,435.55-110,793.30

Finding the Fourth Proportional to 123,623.70, 185,435.55 and 110,793.30

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Solution

The fourth proportional to 123,623.70, 185,435.55 and 110,793.30 is: 166,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,623.70 : 185,435.55 = 110,793.30 : x
  2. Step 2: Convert to fraction form
    123,623.70/185,435.55 = 110,793.30/x
  3. Step 3: Cross multiply
    123,623.70x = 185,435.55 × 110,793.30
  4. Step 4: Simplify right side
    123,623.70x = 20,545,016,521.82
  5. Step 5: Solve for x
    x = 20,545,016,521.82/123,623.70
  6. Step 6: Final answer
    x = 166,189.95

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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.