Home / 198,201.85-297,348.18-85,900.93

Finding the Fourth Proportional to 198,201.85, 297,348.18 and 85,900.93

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Solution

The fourth proportional to 198,201.85, 297,348.18 and 85,900.93 is: 128,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,201.85 : 297,348.18 = 85,900.93 : x
  2. Step 2: Convert to fraction form
    198,201.85/297,348.18 = 85,900.93/x
  3. Step 3: Cross multiply
    198,201.85x = 297,348.18 × 85,900.93
  4. Step 4: Simplify right side
    198,201.85x = 25,542,485,195.81
  5. Step 5: Solve for x
    x = 25,542,485,195.81/198,201.85
  6. Step 6: Final answer
    x = 128,871.07

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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.