Home / 198,074.23-273,348.63-112,031.54

Finding the Fourth Proportional to 198,074.23, 273,348.63 and 112,031.54

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Solution

The fourth proportional to 198,074.23, 273,348.63 and 112,031.54 is: 154,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,074.23 : 273,348.63 = 112,031.54 : x
  2. Step 2: Convert to fraction form
    198,074.23/273,348.63 = 112,031.54/x
  3. Step 3: Cross multiply
    198,074.23x = 273,348.63 × 112,031.54
  4. Step 4: Simplify right side
    198,074.23x = 30,623,667,634.10
  5. Step 5: Solve for x
    x = 30,623,667,634.10/198,074.23
  6. Step 6: Final answer
    x = 154,607.03

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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.