Home / 192,021.91-264,947.82-111,402.74

Finding the Fourth Proportional to 192,021.91, 264,947.82 and 111,402.74

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Solution

The fourth proportional to 192,021.91, 264,947.82 and 111,402.74 is: 153,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,021.91 : 264,947.82 = 111,402.74 : x
  2. Step 2: Convert to fraction form
    192,021.91/264,947.82 = 111,402.74/x
  3. Step 3: Cross multiply
    192,021.91x = 264,947.82 × 111,402.74
  4. Step 4: Simplify right side
    192,021.91x = 29,515,913,105.03
  5. Step 5: Solve for x
    x = 29,515,913,105.03/192,021.91
  6. Step 6: Final answer
    x = 153,711.17

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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.