Home / 144,815.76-199,636.34-101,663.84

Finding the Fourth Proportional to 144,815.76, 199,636.34 and 101,663.84

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Solution

The fourth proportional to 144,815.76, 199,636.34 and 101,663.84 is: 140,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,815.76 : 199,636.34 = 101,663.84 : x
  2. Step 2: Convert to fraction form
    144,815.76/199,636.34 = 101,663.84/x
  3. Step 3: Cross multiply
    144,815.76x = 199,636.34 × 101,663.84
  4. Step 4: Simplify right side
    144,815.76x = 20,295,796,927.95
  5. Step 5: Solve for x
    x = 20,295,796,927.95/144,815.76
  6. Step 6: Final answer
    x = 140,149.09

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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.