Home / 234,135.42-323,107.68-126,705.42

Finding the Fourth Proportional to 234,135.42, 323,107.68 and 126,705.42

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Solution

The fourth proportional to 234,135.42, 323,107.68 and 126,705.42 is: 174,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,135.42 : 323,107.68 = 126,705.42 : x
  2. Step 2: Convert to fraction form
    234,135.42/323,107.68 = 126,705.42/x
  3. Step 3: Cross multiply
    234,135.42x = 323,107.68 × 126,705.42
  4. Step 4: Simplify right side
    234,135.42x = 40,939,494,299.63
  5. Step 5: Solve for x
    x = 40,939,494,299.63/234,135.42
  6. Step 6: Final answer
    x = 174,853.91

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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.