Home / 234,135.14-323,105-132,161.90

Finding the Fourth Proportional to 234,135.14, 323,105 and 132,161.90

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Solution

The fourth proportional to 234,135.14, 323,105 and 132,161.90 is: 182,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,135.14 : 323,105 = 132,161.90 : x
  2. Step 2: Convert to fraction form
    234,135.14/323,105 = 132,161.90/x
  3. Step 3: Cross multiply
    234,135.14x = 323,105 × 132,161.90
  4. Step 4: Simplify right side
    234,135.14x = 42,702,170,699.50
  5. Step 5: Solve for x
    x = 42,702,170,699.50/234,135.14
  6. Step 6: Final answer
    x = 182,382.58

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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.