Home / 209,716.55-289,309.89-141,757.25

Finding the Fourth Proportional to 209,716.55, 289,309.89 and 141,757.25

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Solution

The fourth proportional to 209,716.55, 289,309.89 and 141,757.25 is: 195,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,716.55 : 289,309.89 = 141,757.25 : x
  2. Step 2: Convert to fraction form
    209,716.55/289,309.89 = 141,757.25/x
  3. Step 3: Cross multiply
    209,716.55x = 289,309.89 × 141,757.25
  4. Step 4: Simplify right side
    209,716.55x = 41,011,773,489.24
  5. Step 5: Solve for x
    x = 41,011,773,489.24/209,716.55
  6. Step 6: Final answer
    x = 195,558.12

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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.