Home / 220,997.94-331,529.58-80,723.76

Finding the Fourth Proportional to 220,997.94, 331,529.58 and 80,723.76

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Solution

The fourth proportional to 220,997.94, 331,529.58 and 80,723.76 is: 121,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,997.94 : 331,529.58 = 80,723.76 : x
  2. Step 2: Convert to fraction form
    220,997.94/331,529.58 = 80,723.76/x
  3. Step 3: Cross multiply
    220,997.94x = 331,529.58 × 80,723.76
  4. Step 4: Simplify right side
    220,997.94x = 26,762,314,248.82
  5. Step 5: Solve for x
    x = 26,762,314,248.82/220,997.94
  6. Step 6: Final answer
    x = 121,097.57

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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.