Home / 130,612.12-195,918.39-35,843.60

Finding the Fourth Proportional to 130,612.12, 195,918.39 and 35,843.60

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Solution

The fourth proportional to 130,612.12, 195,918.39 and 35,843.60 is: 53,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,612.12 : 195,918.39 = 35,843.60 : x
  2. Step 2: Convert to fraction form
    130,612.12/195,918.39 = 35,843.60/x
  3. Step 3: Cross multiply
    130,612.12x = 195,918.39 × 35,843.60
  4. Step 4: Simplify right side
    130,612.12x = 7,022,420,403.80
  5. Step 5: Solve for x
    x = 7,022,420,403.80/130,612.12
  6. Step 6: Final answer
    x = 53,765.46

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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.