Home / 234,636.12-323,712.99-154,107.27

Finding the Fourth Proportional to 234,636.12, 323,712.99 and 154,107.27

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Solution

The fourth proportional to 234,636.12, 323,712.99 and 154,107.27 is: 212,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,636.12 : 323,712.99 = 154,107.27 : x
  2. Step 2: Convert to fraction form
    234,636.12/323,712.99 = 154,107.27/x
  3. Step 3: Cross multiply
    234,636.12x = 323,712.99 × 154,107.27
  4. Step 4: Simplify right side
    234,636.12x = 49,886,525,152.44
  5. Step 5: Solve for x
    x = 49,886,525,152.44/234,636.12
  6. Step 6: Final answer
    x = 212,612.30

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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.