Home / 130,522.20-195,783.30-41,778.60

Finding the Fourth Proportional to 130,522.20, 195,783.30 and 41,778.60

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Solution

The fourth proportional to 130,522.20, 195,783.30 and 41,778.60 is: 62,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,522.20 : 195,783.30 = 41,778.60 : x
  2. Step 2: Convert to fraction form
    130,522.20/195,783.30 = 41,778.60/x
  3. Step 3: Cross multiply
    130,522.20x = 195,783.30 × 41,778.60
  4. Step 4: Simplify right side
    130,522.20x = 8,179,552,177.38
  5. Step 5: Solve for x
    x = 8,179,552,177.38/130,522.20
  6. Step 6: Final answer
    x = 62,667.90

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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.