Home / 106,569.80-159,984.30-80,066.60

Finding the Fourth Proportional to 106,569.80, 159,984.30 and 80,066.60

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Solution

The fourth proportional to 106,569.80, 159,984.30 and 80,066.60 is: 120,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,569.80 : 159,984.30 = 80,066.60 : x
  2. Step 2: Convert to fraction form
    106,569.80/159,984.30 = 80,066.60/x
  3. Step 3: Cross multiply
    106,569.80x = 159,984.30 × 80,066.60
  4. Step 4: Simplify right side
    106,569.80x = 12,809,398,954.38
  5. Step 5: Solve for x
    x = 12,809,398,954.38/106,569.80
  6. Step 6: Final answer
    x = 120,197.27

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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.