Home / 130,903.11-196,188.49-67,711.43

Finding the Fourth Proportional to 130,903.11, 196,188.49 and 67,711.43

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Solution

The fourth proportional to 130,903.11, 196,188.49 and 67,711.43 is: 101,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,903.11 : 196,188.49 = 67,711.43 : x
  2. Step 2: Convert to fraction form
    130,903.11/196,188.49 = 67,711.43/x
  3. Step 3: Cross multiply
    130,903.11x = 196,188.49 × 67,711.43
  4. Step 4: Simplify right side
    130,903.11x = 13,284,203,207.44
  5. Step 5: Solve for x
    x = 13,284,203,207.44/130,903.11
  6. Step 6: Final answer
    x = 101,481.19

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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.