Home / 130,958.32-196,305.96-42,146.56

Finding the Fourth Proportional to 130,958.32, 196,305.96 and 42,146.56

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Solution

The fourth proportional to 130,958.32, 196,305.96 and 42,146.56 is: 63,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,958.32 : 196,305.96 = 42,146.56 : x
  2. Step 2: Convert to fraction form
    130,958.32/196,305.96 = 42,146.56/x
  3. Step 3: Cross multiply
    130,958.32x = 196,305.96 × 42,146.56
  4. Step 4: Simplify right side
    130,958.32x = 8,273,620,921.50
  5. Step 5: Solve for x
    x = 8,273,620,921.50/130,958.32
  6. Step 6: Final answer
    x = 63,177.51

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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.