Home / 351,474.92-527,103.36-126,806.15

Finding the Fourth Proportional to 351,474.92, 527,103.36 and 126,806.15

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Solution

The fourth proportional to 351,474.92, 527,103.36 and 126,806.15 is: 190,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,474.92 : 527,103.36 = 126,806.15 : x
  2. Step 2: Convert to fraction form
    351,474.92/527,103.36 = 126,806.15/x
  3. Step 3: Cross multiply
    351,474.92x = 527,103.36 × 126,806.15
  4. Step 4: Simplify right side
    351,474.92x = 66,839,947,733.66
  5. Step 5: Solve for x
    x = 66,839,947,733.66/351,474.92
  6. Step 6: Final answer
    x = 190,169.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.