Home / 173,723.20-260,383.20-80,238.40

Finding the Fourth Proportional to 173,723.20, 260,383.20 and 80,238.40

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Solution

The fourth proportional to 173,723.20, 260,383.20 and 80,238.40 is: 120,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,723.20 : 260,383.20 = 80,238.40 : x
  2. Step 2: Convert to fraction form
    173,723.20/260,383.20 = 80,238.40/x
  3. Step 3: Cross multiply
    173,723.20x = 260,383.20 × 80,238.40
  4. Step 4: Simplify right side
    173,723.20x = 20,892,731,354.88
  5. Step 5: Solve for x
    x = 20,892,731,354.88/173,723.20
  6. Step 6: Final answer
    x = 120,264.49

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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.