Home / 131,139.05-196,660.38-46,876.48

Finding the Fourth Proportional to 131,139.05, 196,660.38 and 46,876.48

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Solution

The fourth proportional to 131,139.05, 196,660.38 and 46,876.48 is: 70,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,139.05 : 196,660.38 = 46,876.48 : x
  2. Step 2: Convert to fraction form
    131,139.05/196,660.38 = 46,876.48/x
  3. Step 3: Cross multiply
    131,139.05x = 196,660.38 × 46,876.48
  4. Step 4: Simplify right side
    131,139.05x = 9,218,745,386.56
  5. Step 5: Solve for x
    x = 9,218,745,386.56/131,139.05
  6. Step 6: Final answer
    x = 70,297.48

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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.