Home / 251,635.43-347,142.46-149,603.01

Finding the Fourth Proportional to 251,635.43, 347,142.46 and 149,603.01

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Solution

The fourth proportional to 251,635.43, 347,142.46 and 149,603.01 is: 206,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,635.43 : 347,142.46 = 149,603.01 : x
  2. Step 2: Convert to fraction form
    251,635.43/347,142.46 = 149,603.01/x
  3. Step 3: Cross multiply
    251,635.43x = 347,142.46 × 149,603.01
  4. Step 4: Simplify right side
    251,635.43x = 51,933,555,519.52
  5. Step 5: Solve for x
    x = 51,933,555,519.52/251,635.43
  6. Step 6: Final answer
    x = 206,384.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.