Home / 130,481.40-195,722.10-47,364.60

Finding the Fourth Proportional to 130,481.40, 195,722.10 and 47,364.60

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Solution

The fourth proportional to 130,481.40, 195,722.10 and 47,364.60 is: 71,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,481.40 : 195,722.10 = 47,364.60 : x
  2. Step 2: Convert to fraction form
    130,481.40/195,722.10 = 47,364.60/x
  3. Step 3: Cross multiply
    130,481.40x = 195,722.10 × 47,364.60
  4. Step 4: Simplify right side
    130,481.40x = 9,270,298,977.66
  5. Step 5: Solve for x
    x = 9,270,298,977.66/130,481.40
  6. Step 6: Final answer
    x = 71,046.90

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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.