Home / 185,450.42-278,210.21-84,255.56

Finding the Fourth Proportional to 185,450.42, 278,210.21 and 84,255.56

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Solution

The fourth proportional to 185,450.42, 278,210.21 and 84,255.56 is: 126,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,450.42 : 278,210.21 = 84,255.56 : x
  2. Step 2: Convert to fraction form
    185,450.42/278,210.21 = 84,255.56/x
  3. Step 3: Cross multiply
    185,450.42x = 278,210.21 × 84,255.56
  4. Step 4: Simplify right side
    185,450.42x = 23,440,755,228.94
  5. Step 5: Solve for x
    x = 23,440,755,228.94/185,450.42
  6. Step 6: Final answer
    x = 126,399.04

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1.5x scale

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.