Home / 198,139.22-297,325.46-73,567.70

Finding the Fourth Proportional to 198,139.22, 297,325.46 and 73,567.70

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Solution

The fourth proportional to 198,139.22, 297,325.46 and 73,567.70 is: 110,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,139.22 : 297,325.46 = 73,567.70 : x
  2. Step 2: Convert to fraction form
    198,139.22/297,325.46 = 73,567.70/x
  3. Step 3: Cross multiply
    198,139.22x = 297,325.46 × 73,567.70
  4. Step 4: Simplify right side
    198,139.22x = 21,873,548,940.93
  5. Step 5: Solve for x
    x = 21,873,548,940.93/198,139.22
  6. Step 6: Final answer
    x = 110,394.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.