Home / 209,859.14-289,597.19-114,363.78

Finding the Fourth Proportional to 209,859.14, 289,597.19 and 114,363.78

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Solution

The fourth proportional to 209,859.14, 289,597.19 and 114,363.78 is: 157,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,859.14 : 289,597.19 = 114,363.78 : x
  2. Step 2: Convert to fraction form
    209,859.14/289,597.19 = 114,363.78/x
  3. Step 3: Cross multiply
    209,859.14x = 289,597.19 × 114,363.78
  4. Step 4: Simplify right side
    209,859.14x = 33,119,428,753.96
  5. Step 5: Solve for x
    x = 33,119,428,753.96/209,859.14
  6. Step 6: Final answer
    x = 157,817.43

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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.