Home / 207,215.11-285,956.43-116,571.14

Finding the Fourth Proportional to 207,215.11, 285,956.43 and 116,571.14

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Solution

The fourth proportional to 207,215.11, 285,956.43 and 116,571.14 is: 160,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,215.11 : 285,956.43 = 116,571.14 : x
  2. Step 2: Convert to fraction form
    207,215.11/285,956.43 = 116,571.14/x
  3. Step 3: Cross multiply
    207,215.11x = 285,956.43 × 116,571.14
  4. Step 4: Simplify right side
    207,215.11x = 33,334,267,035.43
  5. Step 5: Solve for x
    x = 33,334,267,035.43/207,215.11
  6. Step 6: Final answer
    x = 160,867.94

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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.