Home / 130,408.68-195,629.40-36,914.40

Finding the Fourth Proportional to 130,408.68, 195,629.40 and 36,914.40

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Solution

The fourth proportional to 130,408.68, 195,629.40 and 36,914.40 is: 55,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408.68 : 195,629.40 = 36,914.40 : x
  2. Step 2: Convert to fraction form
    130,408.68/195,629.40 = 36,914.40/x
  3. Step 3: Cross multiply
    130,408.68x = 195,629.40 × 36,914.40
  4. Step 4: Simplify right side
    130,408.68x = 7,221,541,923.36
  5. Step 5: Solve for x
    x = 7,221,541,923.36/130,408.68
  6. Step 6: Final answer
    x = 55,376.24

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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.