Home / 167,909.40-251,705.75-83,589.75

Finding the Fourth Proportional to 167,909.40, 251,705.75 and 83,589.75

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Solution

The fourth proportional to 167,909.40, 251,705.75 and 83,589.75 is: 125,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,909.40 : 251,705.75 = 83,589.75 : x
  2. Step 2: Convert to fraction form
    167,909.40/251,705.75 = 83,589.75/x
  3. Step 3: Cross multiply
    167,909.40x = 251,705.75 × 83,589.75
  4. Step 4: Simplify right side
    167,909.40x = 21,040,020,298.11
  5. Step 5: Solve for x
    x = 21,040,020,298.11/167,909.40
  6. Step 6: Final answer
    x = 125,305.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.