Home / 167,654.10-231,351.04-99,667.56

Finding the Fourth Proportional to 167,654.10, 231,351.04 and 99,667.56

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Solution

The fourth proportional to 167,654.10, 231,351.04 and 99,667.56 is: 137,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,654.10 : 231,351.04 = 99,667.56 : x
  2. Step 2: Convert to fraction form
    167,654.10/231,351.04 = 99,667.56/x
  3. Step 3: Cross multiply
    167,654.10x = 231,351.04 × 99,667.56
  4. Step 4: Simplify right side
    167,654.10x = 23,058,193,660.26
  5. Step 5: Solve for x
    x = 23,058,193,660.26/167,654.10
  6. Step 6: Final answer
    x = 137,534.33

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1.5x scale

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.