Home / 234,140.52-323,115.48-137,324.64

Finding the Fourth Proportional to 234,140.52, 323,115.48 and 137,324.64

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Solution

The fourth proportional to 234,140.52, 323,115.48 and 137,324.64 is: 189,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,140.52 : 323,115.48 = 137,324.64 : x
  2. Step 2: Convert to fraction form
    234,140.52/323,115.48 = 137,324.64/x
  3. Step 3: Cross multiply
    234,140.52x = 323,115.48 × 137,324.64
  4. Step 4: Simplify right side
    234,140.52x = 44,371,716,969.43
  5. Step 5: Solve for x
    x = 44,371,716,969.43/234,140.52
  6. Step 6: Final answer
    x = 189,508.92

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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.