Home / 198,316.88-297,158.18-178,174.60

Finding the Fourth Proportional to 198,316.88, 297,158.18 and 178,174.60

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Solution

The fourth proportional to 198,316.88, 297,158.18 and 178,174.60 is: 266,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,316.88 : 297,158.18 = 178,174.60 : x
  2. Step 2: Convert to fraction form
    198,316.88/297,158.18 = 178,174.60/x
  3. Step 3: Cross multiply
    198,316.88x = 297,158.18 × 178,174.60
  4. Step 4: Simplify right side
    198,316.88x = 52,946,039,858.23
  5. Step 5: Solve for x
    x = 52,946,039,858.23/198,316.88
  6. Step 6: Final answer
    x = 266,976.97

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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.