Home / 234,128.41-323,097.21-126,698.45

Finding the Fourth Proportional to 234,128.41, 323,097.21 and 126,698.45

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Solution

The fourth proportional to 234,128.41, 323,097.21 and 126,698.45 is: 174,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,128.41 : 323,097.21 = 126,698.45 : x
  2. Step 2: Convert to fraction form
    234,128.41/323,097.21 = 126,698.45/x
  3. Step 3: Cross multiply
    234,128.41x = 323,097.21 × 126,698.45
  4. Step 4: Simplify right side
    234,128.41x = 40,935,913,556.33
  5. Step 5: Solve for x
    x = 40,935,913,556.33/234,128.41
  6. Step 6: Final answer
    x = 174,843.85

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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.