Home / 144,145.44-198,929.56-80,483.24

Finding the Fourth Proportional to 144,145.44, 198,929.56 and 80,483.24

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Solution

The fourth proportional to 144,145.44, 198,929.56 and 80,483.24 is: 111,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,145.44 : 198,929.56 = 80,483.24 : x
  2. Step 2: Convert to fraction form
    144,145.44/198,929.56 = 80,483.24/x
  3. Step 3: Cross multiply
    144,145.44x = 198,929.56 × 80,483.24
  4. Step 4: Simplify right side
    144,145.44x = 16,010,495,520.57
  5. Step 5: Solve for x
    x = 16,010,495,520.57/144,145.44
  6. Step 6: Final answer
    x = 111,071.81

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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.