Home / 148,766.59-205,297.24-80,783.02

Finding the Fourth Proportional to 148,766.59, 205,297.24 and 80,783.02

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Solution

The fourth proportional to 148,766.59, 205,297.24 and 80,783.02 is: 111,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,766.59 : 205,297.24 = 80,783.02 : x
  2. Step 2: Convert to fraction form
    148,766.59/205,297.24 = 80,783.02/x
  3. Step 3: Cross multiply
    148,766.59x = 205,297.24 × 80,783.02
  4. Step 4: Simplify right side
    148,766.59x = 16,584,531,044.86
  5. Step 5: Solve for x
    x = 16,584,531,044.86/148,766.59
  6. Step 6: Final answer
    x = 111,480.21

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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.