Home / 130,052.50-195,078.78-36,558.28

Finding the Fourth Proportional to 130,052.50, 195,078.78 and 36,558.28

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Solution

The fourth proportional to 130,052.50, 195,078.78 and 36,558.28 is: 54,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,052.50 : 195,078.78 = 36,558.28 : x
  2. Step 2: Convert to fraction form
    130,052.50/195,078.78 = 36,558.28/x
  3. Step 3: Cross multiply
    130,052.50x = 195,078.78 × 36,558.28
  4. Step 4: Simplify right side
    130,052.50x = 7,131,744,661.30
  5. Step 5: Solve for x
    x = 7,131,744,661.30/130,052.50
  6. Step 6: Final answer
    x = 54,837.43

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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.