Home / 234,589.05-351,829.59-139,845.98

Finding the Fourth Proportional to 234,589.05, 351,829.59 and 139,845.98

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Solution

The fourth proportional to 234,589.05, 351,829.59 and 139,845.98 is: 209,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,589.05 : 351,829.59 = 139,845.98 : x
  2. Step 2: Convert to fraction form
    234,589.05/351,829.59 = 139,845.98/x
  3. Step 3: Cross multiply
    234,589.05x = 351,829.59 × 139,845.98
  4. Step 4: Simplify right side
    234,589.05x = 49,201,952,047.40
  5. Step 5: Solve for x
    x = 49,201,952,047.40/234,589.05
  6. Step 6: Final answer
    x = 209,736.78

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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.