Home / 198,340.38-273,712.59-107,696.52

Finding the Fourth Proportional to 198,340.38, 273,712.59 and 107,696.52

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Solution

The fourth proportional to 198,340.38, 273,712.59 and 107,696.52 is: 148,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,340.38 : 273,712.59 = 107,696.52 : x
  2. Step 2: Convert to fraction form
    198,340.38/273,712.59 = 107,696.52/x
  3. Step 3: Cross multiply
    198,340.38x = 273,712.59 × 107,696.52
  4. Step 4: Simplify right side
    198,340.38x = 29,477,893,423.19
  5. Step 5: Solve for x
    x = 29,477,893,423.19/198,340.38
  6. Step 6: Final answer
    x = 148,622.75

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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.