Home / 130,789.76-195,906.20-98,847.96

Finding the Fourth Proportional to 130,789.76, 195,906.20 and 98,847.96

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Solution

The fourth proportional to 130,789.76, 195,906.20 and 98,847.96 is: 148,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,789.76 : 195,906.20 = 98,847.96 : x
  2. Step 2: Convert to fraction form
    130,789.76/195,906.20 = 98,847.96/x
  3. Step 3: Cross multiply
    130,789.76x = 195,906.20 × 98,847.96
  4. Step 4: Simplify right side
    130,789.76x = 19,364,928,221.35
  5. Step 5: Solve for x
    x = 19,364,928,221.35/130,789.76
  6. Step 6: Final answer
    x = 148,061.50

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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.