Home / 190,945.76-263,516.49-106,062.21

Finding the Fourth Proportional to 190,945.76, 263,516.49 and 106,062.21

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Solution

The fourth proportional to 190,945.76, 263,516.49 and 106,062.21 is: 146,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,945.76 : 263,516.49 = 106,062.21 : x
  2. Step 2: Convert to fraction form
    190,945.76/263,516.49 = 106,062.21/x
  3. Step 3: Cross multiply
    190,945.76x = 263,516.49 × 106,062.21
  4. Step 4: Simplify right side
    190,945.76x = 27,949,141,300.84
  5. Step 5: Solve for x
    x = 27,949,141,300.84/190,945.76
  6. Step 6: Final answer
    x = 146,372.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.