Home / 198,391.14-297,268.92-178,248.60

Finding the Fourth Proportional to 198,391.14, 297,268.92 and 178,248.60

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Solution

The fourth proportional to 198,391.14, 297,268.92 and 178,248.60 is: 267,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,391.14 : 297,268.92 = 178,248.60 : x
  2. Step 2: Convert to fraction form
    198,391.14/297,268.92 = 178,248.60/x
  3. Step 3: Cross multiply
    198,391.14x = 297,268.92 × 178,248.60
  4. Step 4: Simplify right side
    198,391.14x = 52,987,768,813.51
  5. Step 5: Solve for x
    x = 52,987,768,813.51/198,391.14
  6. Step 6: Final answer
    x = 267,087.38

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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.