Home / 443,997.06-665,921.34-159,629.64

Finding the Fourth Proportional to 443,997.06, 665,921.34 and 159,629.64

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Solution

The fourth proportional to 443,997.06, 665,921.34 and 159,629.64 is: 239,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,997.06 : 665,921.34 = 159,629.64 : x
  2. Step 2: Convert to fraction form
    443,997.06/665,921.34 = 159,629.64/x
  3. Step 3: Cross multiply
    443,997.06x = 665,921.34 × 159,629.64
  4. Step 4: Simplify right side
    443,997.06x = 106,300,783,772.52
  5. Step 5: Solve for x
    x = 106,300,783,772.52/443,997.06
  6. Step 6: Final answer
    x = 239,417.77

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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.