Home / 173,428.20-260,290.44-123,630.12

Finding the Fourth Proportional to 173,428.20, 260,290.44 and 123,630.12

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Solution

The fourth proportional to 173,428.20, 260,290.44 and 123,630.12 is: 185,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,428.20 : 260,290.44 = 123,630.12 : x
  2. Step 2: Convert to fraction form
    173,428.20/260,290.44 = 123,630.12/x
  3. Step 3: Cross multiply
    173,428.20x = 260,290.44 × 123,630.12
  4. Step 4: Simplify right side
    173,428.20x = 32,179,738,332.05
  5. Step 5: Solve for x
    x = 32,179,738,332.05/173,428.20
  6. Step 6: Final answer
    x = 185,550.78

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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.