Home / 198,574.07-274,034.04-107,930.24

Finding the Fourth Proportional to 198,574.07, 274,034.04 and 107,930.24

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Solution

The fourth proportional to 198,574.07, 274,034.04 and 107,930.24 is: 148,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,574.07 : 274,034.04 = 107,930.24 : x
  2. Step 2: Convert to fraction form
    198,574.07/274,034.04 = 107,930.24/x
  3. Step 3: Cross multiply
    198,574.07x = 274,034.04 × 107,930.24
  4. Step 4: Simplify right side
    198,574.07x = 29,576,558,335.20
  5. Step 5: Solve for x
    x = 29,576,558,335.20/198,574.07
  6. Step 6: Final answer
    x = 148,944.72

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1.5x scale

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.