Home / 234,338.67-323,385.64-126,906.21

Finding the Fourth Proportional to 234,338.67, 323,385.64 and 126,906.21

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Solution

The fourth proportional to 234,338.67, 323,385.64 and 126,906.21 is: 175,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,338.67 : 323,385.64 = 126,906.21 : x
  2. Step 2: Convert to fraction form
    234,338.67/323,385.64 = 126,906.21/x
  3. Step 3: Cross multiply
    234,338.67x = 323,385.64 × 126,906.21
  4. Step 4: Simplify right side
    234,338.67x = 41,039,645,940.82
  5. Step 5: Solve for x
    x = 41,039,645,940.82/234,338.67
  6. Step 6: Final answer
    x = 175,129.64

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1.5x scale

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.