Home / 132,280.59-198,453.86-38,786.34

Finding the Fourth Proportional to 132,280.59, 198,453.86 and 38,786.34

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Solution

The fourth proportional to 132,280.59, 198,453.86 and 38,786.34 is: 58,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,280.59 : 198,453.86 = 38,786.34 : x
  2. Step 2: Convert to fraction form
    132,280.59/198,453.86 = 38,786.34/x
  3. Step 3: Cross multiply
    132,280.59x = 198,453.86 × 38,786.34
  4. Step 4: Simplify right side
    132,280.59x = 7,697,298,694.34
  5. Step 5: Solve for x
    x = 7,697,298,694.34/132,280.59
  6. Step 6: Final answer
    x = 58,189.18

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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.