Home / 130,116.85-195,175.34-36,622.60

Finding the Fourth Proportional to 130,116.85, 195,175.34 and 36,622.60

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Solution

The fourth proportional to 130,116.85, 195,175.34 and 36,622.60 is: 54,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,116.85 : 195,175.34 = 36,622.60 : x
  2. Step 2: Convert to fraction form
    130,116.85/195,175.34 = 36,622.60/x
  3. Step 3: Cross multiply
    130,116.85x = 195,175.34 × 36,622.60
  4. Step 4: Simplify right side
    130,116.85x = 7,147,828,406.68
  5. Step 5: Solve for x
    x = 7,147,828,406.68/130,116.85
  6. Step 6: Final answer
    x = 54,933.92

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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.