Home / 209,935.67-289,717.56-114,443.96

Finding the Fourth Proportional to 209,935.67, 289,717.56 and 114,443.96

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Solution

The fourth proportional to 209,935.67, 289,717.56 and 114,443.96 is: 157,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,935.67 : 289,717.56 = 114,443.96 : x
  2. Step 2: Convert to fraction form
    209,935.67/289,717.56 = 114,443.96/x
  3. Step 3: Cross multiply
    209,935.67x = 289,717.56 × 114,443.96
  4. Step 4: Simplify right side
    209,935.67x = 33,156,423,399.35
  5. Step 5: Solve for x
    x = 33,156,423,399.35/209,935.67
  6. Step 6: Final answer
    x = 157,936.12

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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.