Home / 106,636.86-159,841.62-80,260.02

Finding the Fourth Proportional to 106,636.86, 159,841.62 and 80,260.02

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Solution

The fourth proportional to 106,636.86, 159,841.62 and 80,260.02 is: 120,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,636.86 : 159,841.62 = 80,260.02 : x
  2. Step 2: Convert to fraction form
    106,636.86/159,841.62 = 80,260.02/x
  3. Step 3: Cross multiply
    106,636.86x = 159,841.62 × 80,260.02
  4. Step 4: Simplify right side
    106,636.86x = 12,828,891,618.03
  5. Step 5: Solve for x
    x = 12,828,891,618.03/106,636.86
  6. Step 6: Final answer
    x = 120,304.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.