Home / 130,610.55-196,003.20-47,504.55

Finding the Fourth Proportional to 130,610.55, 196,003.20 and 47,504.55

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Solution

The fourth proportional to 130,610.55, 196,003.20 and 47,504.55 is: 71,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,610.55 : 196,003.20 = 47,504.55 : x
  2. Step 2: Convert to fraction form
    130,610.55/196,003.20 = 47,504.55/x
  3. Step 3: Cross multiply
    130,610.55x = 196,003.20 × 47,504.55
  4. Step 4: Simplify right side
    130,610.55x = 9,311,043,814.56
  5. Step 5: Solve for x
    x = 9,311,043,814.56/130,610.55
  6. Step 6: Final answer
    x = 71,288.60

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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.