Home / 131,163-196,746.26-41,202.78

Finding the Fourth Proportional to 131,163, 196,746.26 and 41,202.78

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Solution

The fourth proportional to 131,163, 196,746.26 and 41,202.78 is: 61,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,163 : 196,746.26 = 41,202.78 : x
  2. Step 2: Convert to fraction form
    131,163/196,746.26 = 41,202.78/x
  3. Step 3: Cross multiply
    131,163x = 196,746.26 × 41,202.78
  4. Step 4: Simplify right side
    131,163x = 8,106,492,660.59
  5. Step 5: Solve for x
    x = 8,106,492,660.59/131,163
  6. Step 6: Final answer
    x = 61,804.72

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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.