Home / 130,190.80-195,286.20-41,443.60

Finding the Fourth Proportional to 130,190.80, 195,286.20 and 41,443.60

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Solution

The fourth proportional to 130,190.80, 195,286.20 and 41,443.60 is: 62,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,190.80 : 195,286.20 = 41,443.60 : x
  2. Step 2: Convert to fraction form
    130,190.80/195,286.20 = 41,443.60/x
  3. Step 3: Cross multiply
    130,190.80x = 195,286.20 × 41,443.60
  4. Step 4: Simplify right side
    130,190.80x = 8,093,363,158.32
  5. Step 5: Solve for x
    x = 8,093,363,158.32/130,190.80
  6. Step 6: Final answer
    x = 62,165.40

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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.