Home / 130,939.58-196,378.23-36,167.67

Finding the Fourth Proportional to 130,939.58, 196,378.23 and 36,167.67

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Solution

The fourth proportional to 130,939.58, 196,378.23 and 36,167.67 is: 54,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,939.58 : 196,378.23 = 36,167.67 : x
  2. Step 2: Convert to fraction form
    130,939.58/196,378.23 = 36,167.67/x
  3. Step 3: Cross multiply
    130,939.58x = 196,378.23 × 36,167.67
  4. Step 4: Simplify right side
    130,939.58x = 7,102,542,785.24
  5. Step 5: Solve for x
    x = 7,102,542,785.24/130,939.58
  6. Step 6: Final answer
    x = 54,242.90

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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.