Home / 130,815.20-196,242.65-55,935.56

Finding the Fourth Proportional to 130,815.20, 196,242.65 and 55,935.56

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Solution

The fourth proportional to 130,815.20, 196,242.65 and 55,935.56 is: 83,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,815.20 : 196,242.65 = 55,935.56 : x
  2. Step 2: Convert to fraction form
    130,815.20/196,242.65 = 55,935.56/x
  3. Step 3: Cross multiply
    130,815.20x = 196,242.65 × 55,935.56
  4. Step 4: Simplify right side
    130,815.20x = 10,976,942,944.32
  5. Step 5: Solve for x
    x = 10,976,942,944.32/130,815.20
  6. Step 6: Final answer
    x = 83,911.83

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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.