Home / 130,789.26-196,270.06-71,666.44

Finding the Fourth Proportional to 130,789.26, 196,270.06 and 71,666.44

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Solution

The fourth proportional to 130,789.26, 196,270.06 and 71,666.44 is: 107,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,789.26 : 196,270.06 = 71,666.44 : x
  2. Step 2: Convert to fraction form
    130,789.26/196,270.06 = 71,666.44/x
  3. Step 3: Cross multiply
    130,789.26x = 196,270.06 × 71,666.44
  4. Step 4: Simplify right side
    130,789.26x = 14,065,976,478.79
  5. Step 5: Solve for x
    x = 14,065,976,478.79/130,789.26
  6. Step 6: Final answer
    x = 107,546.88

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1.5x scale

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.