Home / 144,166.46-198,944.79-80,502.62

Finding the Fourth Proportional to 144,166.46, 198,944.79 and 80,502.62

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Solution

The fourth proportional to 144,166.46, 198,944.79 and 80,502.62 is: 111,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,166.46 : 198,944.79 = 80,502.62 : x
  2. Step 2: Convert to fraction form
    144,166.46/198,944.79 = 80,502.62/x
  3. Step 3: Cross multiply
    144,166.46x = 198,944.79 × 80,502.62
  4. Step 4: Simplify right side
    144,166.46x = 16,015,576,830.35
  5. Step 5: Solve for x
    x = 16,015,576,830.35/144,166.46
  6. Step 6: Final answer
    x = 111,090.87

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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.