Home / 135,983.16-203,058.54-111,072.42

Finding the Fourth Proportional to 135,983.16, 203,058.54 and 111,072.42

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Solution

The fourth proportional to 135,983.16, 203,058.54 and 111,072.42 is: 165,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,983.16 : 203,058.54 = 111,072.42 : x
  2. Step 2: Convert to fraction form
    135,983.16/203,058.54 = 111,072.42/x
  3. Step 3: Cross multiply
    135,983.16x = 203,058.54 × 111,072.42
  4. Step 4: Simplify right side
    135,983.16x = 22,554,203,439.47
  5. Step 5: Solve for x
    x = 22,554,203,439.47/135,983.16
  6. Step 6: Final answer
    x = 165,860.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.