Home / 198,161.10-297,295.30-141,306.85

Finding the Fourth Proportional to 198,161.10, 297,295.30 and 141,306.85

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Solution

The fourth proportional to 198,161.10, 297,295.30 and 141,306.85 is: 211,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161.10 : 297,295.30 = 141,306.85 : x
  2. Step 2: Convert to fraction form
    198,161.10/297,295.30 = 141,306.85/x
  3. Step 3: Cross multiply
    198,161.10x = 297,295.30 × 141,306.85
  4. Step 4: Simplify right side
    198,161.10x = 42,009,862,911.06
  5. Step 5: Solve for x
    x = 42,009,862,911.06/198,161.10
  6. Step 6: Final answer
    x = 211,998.54

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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.