Home / 209,864.87-289,613.91-114,371.54

Finding the Fourth Proportional to 209,864.87, 289,613.91 and 114,371.54

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Solution

The fourth proportional to 209,864.87, 289,613.91 and 114,371.54 is: 157,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,864.87 : 289,613.91 = 114,371.54 : x
  2. Step 2: Convert to fraction form
    209,864.87/289,613.91 = 114,371.54/x
  3. Step 3: Cross multiply
    209,864.87x = 289,613.91 × 114,371.54
  4. Step 4: Simplify right side
    209,864.87x = 33,123,588,892.12
  5. Step 5: Solve for x
    x = 33,123,588,892.12/209,864.87
  6. Step 6: Final answer
    x = 157,832.94

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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.