Home / 130,108.37-195,029.60-73,829.61

Finding the Fourth Proportional to 130,108.37, 195,029.60 and 73,829.61

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Solution

The fourth proportional to 130,108.37, 195,029.60 and 73,829.61 is: 110,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108.37 : 195,029.60 = 73,829.61 : x
  2. Step 2: Convert to fraction form
    130,108.37/195,029.60 = 73,829.61/x
  3. Step 3: Cross multiply
    130,108.37x = 195,029.60 × 73,829.61
  4. Step 4: Simplify right side
    130,108.37x = 14,398,958,937.31
  5. Step 5: Solve for x
    x = 14,398,958,937.31/130,108.37
  6. Step 6: Final answer
    x = 110,668.97

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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.