Home / 209,747.82-314,447.55-83,310.06

Finding the Fourth Proportional to 209,747.82, 314,447.55 and 83,310.06

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Solution

The fourth proportional to 209,747.82, 314,447.55 and 83,310.06 is: 124,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,747.82 : 314,447.55 = 83,310.06 : x
  2. Step 2: Convert to fraction form
    209,747.82/314,447.55 = 83,310.06/x
  3. Step 3: Cross multiply
    209,747.82x = 314,447.55 × 83,310.06
  4. Step 4: Simplify right side
    209,747.82x = 26,196,644,257.35
  5. Step 5: Solve for x
    x = 26,196,644,257.35/209,747.82
  6. Step 6: Final answer
    x = 124,895.91

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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.