Home / 130,150.15-195,273.83-51,319.33

Finding the Fourth Proportional to 130,150.15, 195,273.83 and 51,319.33

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Solution

The fourth proportional to 130,150.15, 195,273.83 and 51,319.33 is: 76,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,150.15 : 195,273.83 = 51,319.33 : x
  2. Step 2: Convert to fraction form
    130,150.15/195,273.83 = 51,319.33/x
  3. Step 3: Cross multiply
    130,150.15x = 195,273.83 × 51,319.33
  4. Step 4: Simplify right side
    130,150.15x = 10,021,322,122.13
  5. Step 5: Solve for x
    x = 10,021,322,122.13/130,150.15
  6. Step 6: Final answer
    x = 76,998.16

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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.