Home / 234,340.66-323,388.40-126,908.20

Finding the Fourth Proportional to 234,340.66, 323,388.40 and 126,908.20

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Solution

The fourth proportional to 234,340.66, 323,388.40 and 126,908.20 is: 175,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,340.66 : 323,388.40 = 126,908.20 : x
  2. Step 2: Convert to fraction form
    234,340.66/323,388.40 = 126,908.20/x
  3. Step 3: Cross multiply
    234,340.66x = 323,388.40 × 126,908.20
  4. Step 4: Simplify right side
    234,340.66x = 41,040,639,744.88
  5. Step 5: Solve for x
    x = 41,040,639,744.88/234,340.66
  6. Step 6: Final answer
    x = 175,132.39

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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.