Home / 234,137.12-323,110.04-126,707.12

Finding the Fourth Proportional to 234,137.12, 323,110.04 and 126,707.12

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Solution

The fourth proportional to 234,137.12, 323,110.04 and 126,707.12 is: 174,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,137.12 : 323,110.04 = 126,707.12 : x
  2. Step 2: Convert to fraction form
    234,137.12/323,110.04 = 126,707.12/x
  3. Step 3: Cross multiply
    234,137.12x = 323,110.04 × 126,707.12
  4. Step 4: Simplify right side
    234,137.12x = 40,940,342,611.48
  5. Step 5: Solve for x
    x = 40,940,342,611.48/234,137.12
  6. Step 6: Final answer
    x = 174,856.27

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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.