Home / 198,161.04-297,251.31-79,816.38

Finding the Fourth Proportional to 198,161.04, 297,251.31 and 79,816.38

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Solution

The fourth proportional to 198,161.04, 297,251.31 and 79,816.38 is: 119,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161.04 : 297,251.31 = 79,816.38 : x
  2. Step 2: Convert to fraction form
    198,161.04/297,251.31 = 79,816.38/x
  3. Step 3: Cross multiply
    198,161.04x = 297,251.31 × 79,816.38
  4. Step 4: Simplify right side
    198,161.04x = 23,725,523,514.46
  5. Step 5: Solve for x
    x = 23,725,523,514.46/198,161.04
  6. Step 6: Final answer
    x = 119,728.50

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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.