Home / 130,102.20-195,226.20-55,209.60

Finding the Fourth Proportional to 130,102.20, 195,226.20 and 55,209.60

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Solution

The fourth proportional to 130,102.20, 195,226.20 and 55,209.60 is: 82,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,102.20 : 195,226.20 = 55,209.60 : x
  2. Step 2: Convert to fraction form
    130,102.20/195,226.20 = 55,209.60/x
  3. Step 3: Cross multiply
    130,102.20x = 195,226.20 × 55,209.60
  4. Step 4: Simplify right side
    130,102.20x = 10,778,360,411.52
  5. Step 5: Solve for x
    x = 10,778,360,411.52/130,102.20
  6. Step 6: Final answer
    x = 82,845.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.