Home / 199,063.38-274,707.46-109,639.38

Finding the Fourth Proportional to 199,063.38, 274,707.46 and 109,639.38

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Solution

The fourth proportional to 199,063.38, 274,707.46 and 109,639.38 is: 151,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,063.38 : 274,707.46 = 109,639.38 : x
  2. Step 2: Convert to fraction form
    199,063.38/274,707.46 = 109,639.38/x
  3. Step 3: Cross multiply
    199,063.38x = 274,707.46 × 109,639.38
  4. Step 4: Simplify right side
    199,063.38x = 30,118,755,595.77
  5. Step 5: Solve for x
    x = 30,118,755,595.77/199,063.38
  6. Step 6: Final answer
    x = 151,302.34

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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.