Home / 165,017.50-247,486.61-76,185.65

Finding the Fourth Proportional to 165,017.50, 247,486.61 and 76,185.65

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Solution

The fourth proportional to 165,017.50, 247,486.61 and 76,185.65 is: 114,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,017.50 : 247,486.61 = 76,185.65 : x
  2. Step 2: Convert to fraction form
    165,017.50/247,486.61 = 76,185.65/x
  3. Step 3: Cross multiply
    165,017.50x = 247,486.61 × 76,185.65
  4. Step 4: Simplify right side
    165,017.50x = 18,854,929,058.33
  5. Step 5: Solve for x
    x = 18,854,929,058.33/165,017.50
  6. Step 6: Final answer
    x = 114,260.18

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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.