Home / 209,864.40-289,604.43-114,369.06

Finding the Fourth Proportional to 209,864.40, 289,604.43 and 114,369.06

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Solution

The fourth proportional to 209,864.40, 289,604.43 and 114,369.06 is: 157,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,864.40 : 289,604.43 = 114,369.06 : x
  2. Step 2: Convert to fraction form
    209,864.40/289,604.43 = 114,369.06/x
  3. Step 3: Cross multiply
    209,864.40x = 289,604.43 × 114,369.06
  4. Step 4: Simplify right side
    209,864.40x = 33,121,786,430.94
  5. Step 5: Solve for x
    x = 33,121,786,430.94/209,864.40
  6. Step 6: Final answer
    x = 157,824.70

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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.