Home / 144,166.18-198,949.50-80,503.96

Finding the Fourth Proportional to 144,166.18, 198,949.50 and 80,503.96

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Solution

The fourth proportional to 144,166.18, 198,949.50 and 80,503.96 is: 111,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,166.18 : 198,949.50 = 80,503.96 : x
  2. Step 2: Convert to fraction form
    144,166.18/198,949.50 = 80,503.96/x
  3. Step 3: Cross multiply
    144,166.18x = 198,949.50 × 80,503.96
  4. Step 4: Simplify right side
    144,166.18x = 16,016,222,590.02
  5. Step 5: Solve for x
    x = 16,016,222,590.02/144,166.18
  6. Step 6: Final answer
    x = 111,095.56

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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.