Home / 198,016.20-297,024.30-119,089.80

Finding the Fourth Proportional to 198,016.20, 297,024.30 and 119,089.80

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Solution

The fourth proportional to 198,016.20, 297,024.30 and 119,089.80 is: 178,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,016.20 : 297,024.30 = 119,089.80 : x
  2. Step 2: Convert to fraction form
    198,016.20/297,024.30 = 119,089.80/x
  3. Step 3: Cross multiply
    198,016.20x = 297,024.30 × 119,089.80
  4. Step 4: Simplify right side
    198,016.20x = 35,372,564,482.14
  5. Step 5: Solve for x
    x = 35,372,564,482.14/198,016.20
  6. Step 6: Final answer
    x = 178,634.70

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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.