Home / 130,630.11-195,917.28-41,859.78

Finding the Fourth Proportional to 130,630.11, 195,917.28 and 41,859.78

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Solution

The fourth proportional to 130,630.11, 195,917.28 and 41,859.78 is: 62,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,630.11 : 195,917.28 = 41,859.78 : x
  2. Step 2: Convert to fraction form
    130,630.11/195,917.28 = 41,859.78/x
  3. Step 3: Cross multiply
    130,630.11x = 195,917.28 × 41,859.78
  4. Step 4: Simplify right side
    130,630.11x = 8,201,054,239.00
  5. Step 5: Solve for x
    x = 8,201,054,239.00/130,630.11
  6. Step 6: Final answer
    x = 62,780.73

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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.