Home / 148,766.97-205,297.67-80,783.34

Finding the Fourth Proportional to 148,766.97, 205,297.67 and 80,783.34

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Solution

The fourth proportional to 148,766.97, 205,297.67 and 80,783.34 is: 111,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,766.97 : 205,297.67 = 80,783.34 : x
  2. Step 2: Convert to fraction form
    148,766.97/205,297.67 = 80,783.34/x
  3. Step 3: Cross multiply
    148,766.97x = 205,297.67 × 80,783.34
  4. Step 4: Simplify right side
    148,766.97x = 16,584,630,908.91
  5. Step 5: Solve for x
    x = 16,584,630,908.91/148,766.97
  6. Step 6: Final answer
    x = 111,480.60

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1.5x scale

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.