Home / 217,345.73-325,788.48-73,114.25

Finding the Fourth Proportional to 217,345.73, 325,788.48 and 73,114.25

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Solution

The fourth proportional to 217,345.73, 325,788.48 and 73,114.25 is: 109,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,345.73 : 325,788.48 = 73,114.25 : x
  2. Step 2: Convert to fraction form
    217,345.73/325,788.48 = 73,114.25/x
  3. Step 3: Cross multiply
    217,345.73x = 325,788.48 × 73,114.25
  4. Step 4: Simplify right side
    217,345.73x = 23,819,778,744.90
  5. Step 5: Solve for x
    x = 23,819,778,744.90/217,345.73
  6. Step 6: Final answer
    x = 109,593.96

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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.