Home / 130,905.45-196,354.27-36,141.42

Finding the Fourth Proportional to 130,905.45, 196,354.27 and 36,141.42

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Solution

The fourth proportional to 130,905.45, 196,354.27 and 36,141.42 is: 54,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.45 : 196,354.27 = 36,141.42 : x
  2. Step 2: Convert to fraction form
    130,905.45/196,354.27 = 36,141.42/x
  3. Step 3: Cross multiply
    130,905.45x = 196,354.27 × 36,141.42
  4. Step 4: Simplify right side
    130,905.45x = 7,096,522,922.37
  5. Step 5: Solve for x
    x = 7,096,522,922.37/130,905.45
  6. Step 6: Final answer
    x = 54,211.06

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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.