Home / 190,731.28-263,214.12-104,694.16

Finding the Fourth Proportional to 190,731.28, 263,214.12 and 104,694.16

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Solution

The fourth proportional to 190,731.28, 263,214.12 and 104,694.16 is: 144,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,731.28 : 263,214.12 = 104,694.16 : x
  2. Step 2: Convert to fraction form
    190,731.28/263,214.12 = 104,694.16/x
  3. Step 3: Cross multiply
    190,731.28x = 263,214.12 × 104,694.16
  4. Step 4: Simplify right side
    190,731.28x = 27,556,981,193.54
  5. Step 5: Solve for x
    x = 27,556,981,193.54/190,731.28
  6. Step 6: Final answer
    x = 144,480.66

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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.