Home / 148,766.64-205,297.22-80,783.03

Finding the Fourth Proportional to 148,766.64, 205,297.22 and 80,783.03

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Solution

The fourth proportional to 148,766.64, 205,297.22 and 80,783.03 is: 111,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,766.64 : 205,297.22 = 80,783.03 : x
  2. Step 2: Convert to fraction form
    148,766.64/205,297.22 = 80,783.03/x
  3. Step 3: Cross multiply
    148,766.64x = 205,297.22 × 80,783.03
  4. Step 4: Simplify right side
    148,766.64x = 16,584,530,051.78
  5. Step 5: Solve for x
    x = 16,584,530,051.78/148,766.64
  6. Step 6: Final answer
    x = 111,480.17

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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.