Home / 131,018.16-196,568.78-46,776.49

Finding the Fourth Proportional to 131,018.16, 196,568.78 and 46,776.49

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Solution

The fourth proportional to 131,018.16, 196,568.78 and 46,776.49 is: 70,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,018.16 : 196,568.78 = 46,776.49 : x
  2. Step 2: Convert to fraction form
    131,018.16/196,568.78 = 46,776.49/x
  3. Step 3: Cross multiply
    131,018.16x = 196,568.78 × 46,776.49
  4. Step 4: Simplify right side
    131,018.16x = 9,194,796,846.68
  5. Step 5: Solve for x
    x = 9,194,796,846.68/131,018.16
  6. Step 6: Final answer
    x = 70,179.56

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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.