Home / 192,665.25-265,872-106,619.04

Finding the Fourth Proportional to 192,665.25, 265,872 and 106,619.04

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Solution

The fourth proportional to 192,665.25, 265,872 and 106,619.04 is: 147,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,665.25 : 265,872 = 106,619.04 : x
  2. Step 2: Convert to fraction form
    192,665.25/265,872 = 106,619.04/x
  3. Step 3: Cross multiply
    192,665.25x = 265,872 × 106,619.04
  4. Step 4: Simplify right side
    192,665.25x = 28,347,017,402.88
  5. Step 5: Solve for x
    x = 28,347,017,402.88/192,665.25
  6. Step 6: Final answer
    x = 147,130.93

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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.