Home / 234,415.92-323,493.68-126,986.40

Finding the Fourth Proportional to 234,415.92, 323,493.68 and 126,986.40

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Solution

The fourth proportional to 234,415.92, 323,493.68 and 126,986.40 is: 175,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,415.92 : 323,493.68 = 126,986.40 : x
  2. Step 2: Convert to fraction form
    234,415.92/323,493.68 = 126,986.40/x
  3. Step 3: Cross multiply
    234,415.92x = 323,493.68 × 126,986.40
  4. Step 4: Simplify right side
    234,415.92x = 41,079,298,163.42
  5. Step 5: Solve for x
    x = 41,079,298,163.42/234,415.92
  6. Step 6: Final answer
    x = 175,241.07

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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.