Home / 144,474.12-199,363.42-80,799.60

Finding the Fourth Proportional to 144,474.12, 199,363.42 and 80,799.60

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Solution

The fourth proportional to 144,474.12, 199,363.42 and 80,799.60 is: 111,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,474.12 : 199,363.42 = 80,799.60 : x
  2. Step 2: Convert to fraction form
    144,474.12/199,363.42 = 80,799.60/x
  3. Step 3: Cross multiply
    144,474.12x = 199,363.42 × 80,799.60
  4. Step 4: Simplify right side
    144,474.12x = 16,108,484,590.63
  5. Step 5: Solve for x
    x = 16,108,484,590.63/144,474.12
  6. Step 6: Final answer
    x = 111,497.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.